| O
| Orange. |
| O-ring
| A round ring having a square or round cross section used as a seal, such as at the end of a hydraulic line. |
| o.d.
| An acronym for outside diameter. |
| O.H.
| An abbrevation for Over Hall. It may apply to any component with more than one part that expereances ware. |
| O/D
| Overdrive |
| O/L
| Open loop |
| O2
| Oxygen sensor |
| O2 sensor
| A term used for oxygen sensor. |
| O3
| Ozone |
| OAH
| An acronym for overall height. |
| OAI
| Outside air induction |
| OAL
| An acronym for overall length. |
| OASIS
| An acronym for On-Line Automotive Service Information System. |
| OAT
| An Acronym for Organic Acid Technology compounds used in long life antifreeze to replace nitrates and phosphates or silicates as a corrosion inhibitor. |
| OAW
| An acronym for overall width. |
| OBD
| An acronym for on-board diagnostics. |
| OBD-I
| An acronym for On-Board Diagnostics Generation One. An on-board automotive diagnostic system required by the California Air Resources Board since 1988, which uses a microprocessor and sensors to monitor and control various engine driveability functions. |
| OBD-II
| An acronym for On-Board Diagnostics Generation Two. OBD-II expands upon OBD-I to include emissions system and sensor deterioration monitoring. |
| OBDII Monitors
| Eather a passive, active, or intrusive test run by the diagnostic management system after the enable criteria has been compleeted |
| observed horsepower
| The brake output of an engine as observed on a dynamometer. |
| OC
| Oxidation Catalyst |
| OCC
| Output circuit check |
| Occupational Safety and Health Administration (OSHA)
| A branch of the Federal Government that regulates and oversees the occupational environment as related to health and safety. |
| occupational safety glasses
| Protective eye wear designed with special hit-impact lenses, frames, and side protection. |
| OCIL
| Overdrive cancel indicator light |
| OCP
| Over crank protection |
| OCS
| Overdrive cancel switch |
| octane
| A gasoline's ability to resist detonation. The higher the octane number, the greater the fuel's resistance to detonation. |
| octane enhancer
| Common term designating components that are added to gasoline to increase octane and reduce engine knock. Examples are toluene, ethanol, ETBE, and MTBE. |
| octane number
| The number representing the average blend of iso-octane with an index of 100, and other hydrocarbons with an index of 0, usually between 87 and 92. |
| octane rating
| A term used for octane number. |
| octane requirement
| The minimum octane rating of a fuel required to operate an engine without a spark knock. |
| octane requirement increase
| (ORI) The increase in octane requirement that results from the build up of combustion chamber deposits. |
| odd fire
| A V-6 engine with a 60- or 90-degree block having a conventional crankshaft with two connecting rods attached to each of three journals that produces uneven firing. |
| odometer
| A mechanical or electronic counter in the speedometer that indicates trip or total miles accumulated on the vehicle. |
| OE
| Original equipment |
| OEM
| An acronym for original equipment manufacturer. |
| off highway
| A term used for off-road. |
| off pavement
| A term used for off-road. |
| off the line
| A good start from the starting line in a drag race. |
| Off time
| The part of an electrical signal during which an electrical device is de-energized |
| off-highway vehicle (OHV)
| A vehicle intended for off-road use. |
| off-road
| Any unpaved, rough or ungraded terrain on which off-road activities take place. |
| off-road vehicle (ORV)
| Any vehicle designed for used in off-road activities. |
| off-the-road vehicle (ORV)
| A term used for off-road vehicle. |
| office
| The driver's compartment. |
| office manager
| An employee or company official whose duties vary from general office procedures to serving as a parts manager and bookkeeper. |
| Offie
| 1. An Offenhauser racing engine. 2. Any product, such as a manifold or valve cover, manufactured by the Offenhauser Equipment Company. |
| offset
| 1. A term used for wheel offset. 2. A condition when two parts are not directly in line with each other. |
| offset link
| A type of chain link that utilizes bent, or offset link plates and is assembled with a pin at one end and a bushing and roller at the other end, so as to act as a combination link. |
| offset rod
| A rod on which the bran section is not directly centered over the bearing housing. |
| offset section
| A factory-assembled section of roller chain, made up of a roller link and an offset link, and used to connect strands of chain having an odd number of pitches. |
| offside
| The side of a vehicle away from the curb. |
| ogee
| An S-shaped curve. |
| OHC
| Over head camshaft |
| ohm
| The unit used to measure the amount of electrical resistance in a circuit or an electrical or electronic device. |
| Ohm's law
| The law that states that the direct current through an electric circuit is proportional to the voltage applied; given by the equation I=E/R, where I is current, E is electromotive force and R is resistance. |
| ohmmeter
| An analog or digital instrument used to measure electrical resistance in ohms. |
| OHV
| 1. An acronym for off-highway vehicle. 2. An acronym for overhead valve. |
| OIHC
| An acronym for overhead cam or overhead camshaft. |
| oil
| 1. A diesel fuel. 2. A liquid lubricant used to reduce friction between moving parts. |
| oil bath filter
| An engine air filter that channels the air through an oil bath that traps duct and debris. |
| oil bleed line
| An external line that usually bypasses a metering device to ensure positive oil return to the compressor at all times. |
| oil bleed passage
| Internal orifice that bypasses a metering device to ensure a positive oil return to the compressor. |
| oil burner
| 1. A diesel. 2. An older car or truck that uses excessive oil, generally evident by a smoking exhaust. |
| oil canning
| A sheet-metal panel popping from convex to concave and/or vice versa. |
| oil clearance
| The small space between the main bearing and crankshaft journal, usually 0.0001 to 0.003 inch (0.025 to 0.076 mm), for lubricating oil to circulate. |
| oil control ring
| The bottom piston ring that scrapes oil from the cylinder wall. |
| oil cooled piston
| A piston that is cooled by a jet of oil sprayed under the dome of some diesel-and endurance-race engines. |
| oil cooler
| 1. A device used to cool oil or automatic transmission fluid. 2. A device used to cool race-car manual transmission and final-drive lubricants. |
| oil dilution
| The thinning of oil in the crankcase, usually caused by gasoline seepage past the piston rings from the combustion chamber. |
| oil dipper
| A small scoop located at the bottom of the connecting rod in early, low-performance engines to dip into the oil to lubricate the rod bearings crankshaft. |
| oil filter
| A component, located near the oil pump, that removes abrasive particles from the motor oil by a straining process as the oil circulates through the lubrication system. |
| oil gallery
| Passages drilled or cast into the cylinder heads, engine block, and crankshaft to receive pressurized oil from the oil pump for distribution throughout the engine. |
| oil injector
| A term used for oil-injection cylinder. |
| oil level indicator
| A term used for dipstick. |
| oil pan
| A removable part of the engine that contains the oil supply. |
| oil pressure
| The pressure, 15 to 75 psi (103 to 517 kPa), developed by the oil pump to force oil through the lubrication system. |
| oil pump
| A pump, driven directly or indirectly by the camshaft, that draws oil from the oil pan and forces it, under pressure, through the engine lubrication system. |
| oil pumping
| The leakage of oil past the rings and into the combustion chamber. |
| oil reservoir
| 1. A shock-absorber section containing an extra fluid supply to meet operational requirements. 2. The engine-oil pan. 3. A mainarea for oil reserve supply. |
| oil ring
| Piston ring that scrapes oil from the cylinder wall to control cylinder wall lubrication prevent excessive oil loss past the piston and into the combustion chamber. |
| oil scraper ring
| A ring used to scrape oil off the cylinder will that may have been left by the oil control ring. |
| oil seal
| A seal around a rotating shaft or other moving part to prevent oil leakage. |
| oil seal and shield
| A pair of devices that are used to prevent or control oil leakage past the valve stem and guide into the combustion chamber ports. |
| oil separator
| A device used to separate oil from air, or oil from another liquid. |
| oil slinger
| A metal disc that is located between the engine pulley and timing gear to force oil away from the timing-gear cover seal. |
| oil sludge
| An accumulation of thickened oil, water, carbon, and dust particles inside an engine. |
| oil squirt hole
| A small hole located near the lower end of the connecting rod, providing a lubrication path to the cylinders and camshaft. |
| oil strainer
| A wire-mesh screen placed at the inlet of the oil-pump-pick-up tube to prevent dirt and debris from entering the pump. |
| oil sump
| A term used for oil pan. |
| oil-fouled plug
| A wet, oily deposit on a spark plug that may be caused by oil leaking past worn piston rings. |
| oil-injected cylinder
| A special calibrated cylinder that may be used to inject a measured amount of refrigeration oil into the system. |
| oil-intake screen
| A strainer located at the lower end of the oil pickup tube in sump to remove large contaminant particles. |
| oil-pan rail
| The flat-flanged portion f the oil pan with many bolt holes used to secure it to the engine. |
| oil-pressure gauge
| An instrument used to display the oil pressure of the engine lubrication system. |
| oil-pressure indicator
| A term used for oil-pressure gauge. |
| oil-ring expander
| A thin metal strip used to maintain a constant pressure on the oil-ring rail against the cylinder wall. |
| oil-ring rails
| Two thin metal rings used to scrape oil from the cylinder walls. |
| oil-ring separator
| A term used for oil-ring expander. |
| oil/air separator
| A device used to prevent the aeration of oil. |
| olefins
| A gasoline component resulting from several refining processes. Examples are ethylene, propylene, butylene. Olefins often contribute to the formation of gum and deposits in engines and the induction system. |
| OLV
| Overfill limiting valve |
| Omega
| The lat letter of the Greek alphabet; a symbol for ohm, the unit for electrical resistance. |
| omnibus
| The origin of "bus," from the French term voiture omnibus, or "carriage for all." |
| on a pass
| Making a good, fast run in drag racing. |
| on the bubble
| The last position on the grid subject to be bumped if another driver achieves a better qualifying speed. |
| on the cam
| The operation of an engine at its most efficient rpm. |
| on the grid
| The starting position of a race. Also known as on the line. |
| on the line
| Same as on the grid. |
| on the piano
| A term used when something is misplaced. |
| on the wood
| An accelerator pedal pressed to the floor. |
| On-Demand Test
| A Ford self-test The Key On/Engine Off and Engine Running Positions which are technician initiated, are from a program within the processor |
| On-Line Automotive Service Information System (OASIS)
| A computerized information system for service technicians. |
| on-road
| Refers to paved or smooth-graded surface terrain on which a tractor/trailer will operate; generally considered to be part of the public highway system. |
| onboard computer
| A resident computer in a vehicle, such as an automobile. |
| onboard diagnostics (OBD)
| A special, standardized diagnostic software and hardware system used to detect performance problems that adversely affect emissions and engine performance. |
| onboard fire-extinguishing system
| A fire-extinguishing system permanently installed in the driver's compartment of a vehicle; required by most race-sanctioning bodies. |
| one off
| A custom-built vehicle with no plans for mass production. |
| one-piece oil ring
| An oil ring having the expander and rails combined in a single part. |
| one-way clutch
| 1. A friction or ratcheting device that permits motion in only one direction. 2. A mechanical holding device that prevents rotation in one direction, but overrun to allow rotation in the opposite direction. One-way clutches may be either roller or sprag clutches. |
| one-way roller clutch
| A term used for one-way clutch or overrunning clutch. |
| one-way sprag clutch
| A device that consists of a hub and drum separated by a number of sprags. |
| one-way valve
| A type of switching valve that allows fluid to pass in one direction and only when the pressure is sufficient to unseat the valve |
| one-wire system
| An electrical system using body and/or chassis metal as a grounded circuit. |
| oodle
| To operate an engine at idle speed. |
| op-amp
| short for Operational amplifier. 1. A high-gain analog amplifier with two inputs and one output. 2. Used in circuits to control and amplify digital signals. |
| open circuit
| 1. A circuit in which there is a break in continuity. 2. An open circuit is any circuit that is not complete and in which no current flows. |
| open course
| That part of a race track that extends beyond the finish line into a shut-off area. |
| Open Loop
| A mode of computer operation in which fuel delevery calculations are based primarily on preprogrammed values, not Oxygen sensor input 2. The Oxygen sensor value is not considered when in Open Loop |
| open structural member
| A flat body panel having an open access from the rear. |
| open system
| A crankcase, emission-control system having no tube from the crankcase to the air cleaner; drawing air through the oil filter cap only. |
| open the tap
| Increase the speed. |
| open-chamber head
| A cylinder head in which the cylinders have no quench area. |
| open-end spring
| A coil spring having its end loops apart from the spring coils. |
| operational control valve
| A device used to control the flow of compressed air through the brake system. |
| operational specifications
| Specifications used to show how the vehicle operates, such as acceleration, tire inflation, and other general information. |
| operational test
| A term used for performance test. |
| opposed engine
| An engine with cylinder banks at 180 degrees, such as the Volkswagen flat four. |
| opposite lock
| Turning the steering wheel in the opposite direction of a turn to control or correct oversteer. |
| optical horn
| A Chrysler term for a flash to pass dimmer switch feature. |
| or
| Orange. |
| organic brake lining
| Brake linings that are made of a carbon-based compound combined with non-organic magnesium silicate and/or glass and synthetic fibers, replacing asbestos which as been determined to be hazardous to health and the environment. |
| organic friction material
| A friction material having organic binders substantially formulated with nonmetallic fibers. Used with both breaks and clutches. |
| orifice
| 1.A small hole or opening of calibrated dimensions for metering fluids or gases in exact proportions 2. A small opening or restriction, in a line or passage, that is used to regulate pressure and flow. |
| Orifice Spark Advance Control (OSAC)
| A Chrysler emissions control system which slows vacuum advance of ignition timing by means of an orifice in a component mounted on the air cleaner. |
| Orifice Spark Advance Control Valve (OSAC Valve)
| A device used on some older Chrysler engines to limit oxides of nitrogen formation by delaying the vacuum signal to the distributor advance during idle and part-throttle operation. |
| orifice tube
| A term used for expansion tube or fixed-orifice tube. |
| ORV
| An acronym for off-road vehicle. |
| ORVR-CV
| Onboard Refueling Vapor Recovery Control Valve |
| Os
| Osmium An element with the atomic number of 76 |
| OSAC
| An acronym for Orifice Spark Advance Control. |
| OSAC Valve
| An acronym for Orifice Spark Advance Control Valve. |
| OSC
| Output state check |
| oscillating
| A device moving back and forth or to and fro, like a clock pendulum. |
| oscillating fifth wheel
| A term used for fully oscillating fifth wheel. |
| oscillation
| The rotational movement, either in a fore and aft or side-to-side direction around a pivot point, such as in a fifth wheel design in which such articulation is permitted. |
| oscillation damper
| A shock absorber may be considered a damper that controls energy stored in the springs under load. |
| Oscillations
| The up and down peaks of a waveform |
| Oscillator
| This semiconductor device creates a rapid back-and-forth movement of voltage |
| oscilloscope
| An instrument that produces a visible image of one or more rapidly varying electrical quantities with respect to time or with another electrical quality. |
| OSHA
| An acronym for Occupational Safety and Health Administration. A division of the U.S. Department of Labor that establishes and enforces workplace safety regulations. |
| OTC
| [1] Oil temperature switch [2] An acronym for Ohio Tool Company a make and supplier of automotive tools and equipment |
| Otto cycle
| The basic principle of operation of the four-stroke piston engine: intake, compression, power and exhaust. |
| Otto-cycle engine
| A four-stroke cycle engine. |
| out of phase
| A term that relates to a drive shaft having two universal joints that are not in phase with each other, producing a jouncing or jerking motion as the drive shaft turns. |
| out of round
| The condition of a circular part when it is not circular, as in slightly oval shaped. |
| out of square
| The condition of a square or rectangular part when its vertical sides are not at right angles to its horizontal sides. |
| out of the box
| A vehicle, device, or component that is absolutely stock without modification. |
| out of the chute
| Off the starting line in a drag race. Also known as out of the gate and out of the hole. |
| out of the gate
| Same as out of the chute. |
| out of the hole
| Same as out of the chute. |
| out to lunch
| 1. Anything of no value. 2. A worthless car. |
| outboard brakes
| A brake assembly that is mounted at the outer or wheel end of an axle half shaft. |
| outer cam clutch
| A one-way roller clutch which has the cam profile surfaces on the outer element. |
| outer race
| The race nearest to the outside of the hub of a roller bearing. |
| outgas
| To release gas from a solid, such as plastic, as the result of heat generated during machining or cutting. |
| output
| Anything that comes out of a computer |
| output driver
| An electronic switch in a computer used to turn ON and OFF an actuator in a vehicle. |
| Output Driver Module
| A module capable of controlling seven different outputs with differing loads. It contains circuit protection and data bus communications and fault detection |
| output member
| The driven member of a planetary gearset. |
| output shaft
| The main shaft of a transmission. |
| Output State Check
| A Ford performance test in which the Key On/Engine Off mode after the continuous codes have been sent which forces the processor to activate some actuators for additional diagnostics |
| outside diameter (o.d.)
| The major diameter of the outside of a tube or tube-like device. |
| outside snap ring
| A snap ring used on the outside of a shaft or part to hold he assembly in place. |
| outside-vehicle lubrication services
| Work performed outside the vehicle during a chassis lubrication such as checking tire pressure, lubricating door and trunk hinges and locks, cleaning the windshield, and inspecting the safety-related items. |
| oval
| 1. Out of round or egg-shaped. 2. An elliptical race track. |
| oval piston
| A term used for cam-ground piston. |
| oval port
| An exhaust or intake port that is oval in shape. |
| OVCV
| Outer vent control valve |
| over
| A term used for bore or overbore. |
| overbore
| To enlarge the cylinders of an engine to a size larger than stock diameters. |
| overcenter preload
| The adjustment of a steering-gear-sector shaft's resistance to turning. |
| overcenter spring
| A spring used on some clutch linkages to reduce the effort required to depress the pedal. |
| overcharge
| 1. A term used when too much refrigerant or oil is added to the refrigeration system. 2. A condition where the charging system is supplying too much voltage/current to the battery. |
| overcharging
| The continual charging of a battery after it has reached its normally charged condition. |
| overcooling
| A general term used if the engine does not reach design operation temperature in a predetermined time period |
| overcord
| The covering bonded to the tensile member of a synchronous belt that protects it form frictional wear if a backside idler is used or if power is transmitted from the backside of the belt. |
| overdrive
| A transmission having a ration of less than 1:1 where the output shaft turns at a greater rpm than does the input shaft. |
| overdrive band
| A transmission brake device that is engaged in overdrive. |
| overdrive ratio
| A ratio identified by the use of a decimal point, such as 0.80, indicating less than one driving input revolution compared to one 1.0 output revolution of a shaft, or 0.85:1.0. |
| overflow
| 1. The spilling of the excess f a substance. 2. To run or spill over the sides of a mainarea. |
| overflow tank
| 1. A tank at the top of a radiator to receive heated coolant and vent trapped air due to expansion. 2. A device bound in some fuel tanks to prevent gas escaping due to expansion. 3. A term used for expansion tank. |
| overhaul
| To rebuild a device or an assembly, such as an engine or a transmission. |
| overhaul and maintenance specifications
| Specifications used to service vehicle components such as an engine, differential, or transmission. |
| overhead cam (OHC)
| A term used for overhead camshaft or overhead camshaft engines. |
| overhead camshaft
| A camshaft mounted in the cylinder head. |
| overhead camshaft engine
| An engine in which the camshaft is mounted over the cylinder head. |
| overhead position
| The position in which welding is performed from the underside of the joint. |
| overhead valve (OHV)
| An I-head arrangement where the valves are located over the piston in the cylinder head. |
| overhead-valve engine
| An engine in which the valves are mounted in the cylinder head over the combustion chamber. |
| overheat
| 1. To become excessively hot. 2. A general term used if the engine exceeds design operating temperature. |
| overinflation
| The condition of a tire that is inflated to more than the recommended pressure, decreasing the contact area, increasing the rolling diameter, and stiffening the tire resulting in excessive wear at the center of the tread. |
| overlap
| The interval of valve timing when the intake valve starts to open before the exhaust valve is fully closed. |
| overlay cam
| A camshaft having a hard face material welded to the nose and flank of the lobes to help decrease wear and increase lift. |
| Overload
| Excess current flow in a circuit |
| overload spring
| Spring in the end of the cable in cable-operated adjusters that lets the cable move without breaking if the pawl or star wheel is jammed. |
| overlubrication
| Term referring to the application of lubricant amounts in excess of factory recommendations that my overload or damage grease seals. |
| overpull
| The pulling of a body member beyond its specifications with the expectation that it will snap back to its intended shape when the pulling effort is discontinued. |
| overrev
| To run an engine at excessive rpm. |
| overrunning clutch
| A device used when two members are to run freely relative to each other in one direction, but are to lock in the other direction. |
| overrunning-clutch drive
| An overrunning clutch used for the engagement and disengagement of a starting motor. |
| oversize (OS)
| A part that is larger than the original to make up for wear and matching. |
| oversize valve stem
| A valve having a stem diameter that is larger than the stem diameter of the original valve. It is used to fit a worn valve guide that is reamed oversize. |
| overspray
| 1. A paint spray mist that drifts onto a surface where it is not wanted. 2. The overlap of new paint over old paint. |
| oversquare
| A cylinder with a bore greater than its stroke. |
| overstaging
| Staging a drag racer ahead of the usual staging position. |
| oversteer
| A condition in cornering when the rear wheels of a race car tend to break loose and slide outward. |
| overvoltage protection relay
| An electrical device used in ABSs that prevents damage to electronic components and circuits due to electrical surges or spikes. |
| OVPR
| The overvoltage protection relay is an electrical device used in ABSs that prevents damage to electronic components and circuits due to electrical surges or spikes. |
| oxidation
| 1. The process in which one element of a compound is combined with oxygen in a chemical process that produces another compound. 2. The combination of a substance with oxygen forming an oxide, such as rust. |
| oxidation catalyst
| A two-way catalytic converter which promotes the oxidation of HC and CO in an engine's exhaust stream, as distinguished from a three-way or reduction catalyst. |
| oxidation inhibitor
| An additive to reduce the chemicals in gasoline that react to oxygen. |
| oxide
| A compound formed when a substance combines with oxygen. |
| oxides of nitrogen (NOx)
| Harmful, gaseous emissions of an engine composed of compounds of nitrogen and varying amounts of oxygen which are formed at the highest temperatures of combustion. |
| oxidize
| To form an oxide. |
| oxidizer
| 1. A material that caused oxidation. 2. An additive that increases the oxygen content of an air/fuel mixture. |
| oxidizing agent
| The same as oxidizer. |
| oxidizing flame
| An oxyfuel gas flame in which there is an excess of oxygen, resulting in metal vaporization. |
| oxyacetylene welding
| An oxyfuel gas welding process that uses acetylene as the fuel gas. |
| oxyfuel gas welding
| A group of welding precesses, with or without a filler metal, that produces a merger of work pieces by heating them with an oxyfuel gas flame. |
| oxyfuels mandate
| (Oxygenated Fuels Mandate) Common term used for a regulatory program that requires the addition of oxygenates (alcohols or ethers) to fuels during certain months to reduce tailpipe emissions of carbon monoxide. |
| oxygen
| A colorless, gaseous, tasteless element (O) that makes up 21% of the atmosphere. |
| oxygen cutting
| The process of cutting metal at a high temperature with the chemical reaction of oxygen. |
| oxygen sensor
| A device found in the exhaust manifold, which generates a small voltage dependent on the amount of oxygen present in the exhaust stream, used as a signal to the engine-control computer to determine the amount of fuel necessary to maintain a proper air/fuel ratio. |
| oxygenate
| In the petroleum industry a term used to denote octane components containing hydrogen, carbon, and oxygen in their molecular structure. Includes ethers such as MTBE and ETBE as well as alcohols such as ethanol and methanol. |
| oxygenated gasoline
| Gasoline containing oxygenates such as ethanol or MTBE. Provides chemical enleanment of the A/F charge thereby improving combustion and reduci9ng tailpipe emissions of CO. |
| oxygenerator
| A term used for oxidizer. |
| Oz-in
| Measurement of imbalance; 3 oz-in means that an object is out-of-balance to the degree that it would require a 1-oz weight placed 3 inches from the center of the rotating object or a 3-oz weight 1 inch form the center or any other combination that when multiplied equals 3 oz-in. |
| ozone
| 1. A molecule of oxygen, an unstable pale-blue gas (O3), which is formed by the exposure of O2 to an electrical discharge or a reaction in sunlight. It has a penetrating and/or pungent odor and has a strong oxidizing effect. In the upper atmosphere, ozone protects the earth from the sun's ultraviolet rays. Though beneficial in the upper atmosphere, at ground level, ozone is a respiratory irritant and considered a pollutant. 2. An unstable molecule of oxygen with three atoms of oxygen instead of the normal two. Ozone oxidizes other elements and compounds by giving up its extra atom of oxygen easily. |
| ozone depletion
| The reduction of the ozone layer due to contamination, such as the release of CFC refrigerants into the atmosphere. |
Auto & Car Glossary
