California new motor vehicle emission certification standards and emission test results for the 1988 model-year are summarized. Automobile manufacturers' responses to the new on-board malfunction and diagnostics regulations are discussed. The various emission control systems and methods used by manufacturers to comply with new requirements are described. Sales-weighted averages of projected useful life emissions, deterioration factors, horsepower, torque and engine displacements, and percentage usage of various emission control systems/components are calculated for each category of motor vehicles or engines. A comparison with the 1987 model year and conclusions regarding trends in emissions and emission control system usage to meet future proposed standards are made.
1988 Model-Year New Motor Vehicle/Engine Certification Summary
1988
130 pages
Report
No indication
English
Road Transportation , Reciprocation & Rotating Combustion Engines , Air Pollution & Control , Environment , Transportation , Internal combustion engines , Standards , Requirements , Passenger vehicles , Motorcycles , Diesel engines , California , Motor vehicles(1988 models) , Certification , Exhaust emission control devices , Light duty vehicles , Heavy duty vehicles , Evaporative emission control devices