OverviewJ.B. Heywood, Motor Vehicle Emissions Control: Past Achievements, Future ProspectsGlobal AspectsE. Sher, Environmental Aspects of Air Pollution. R. Carel, Health Aspects of Air Pollution. P.O. Plaut and S.E. Plaut, Economic and Planning Aspects of Transportation EmissionSpark-Ignition EnginesR. Stone, Introductory Chapter: Overview and the Role of Engines with Optical Access. S. Hochgreb, Combustion RelatedEmissions in Engines. M. Dulger, Pollution from Rotary Internal Combustion Engines. B.E. Milton, Control Technologies in Spark Ignition EnginesCompression-Ignition EnginesF. Pischinger, Introductory Chapter: The Diesel Enginefor Cars--Is There a Future? J.G. Hawley, C.J. Brace, F.J.Wallace, and R.W Horrocks, Combustion Related Emissions in Engines. S.J. Charlton, Control Technologies in Compression Ignition EnginesTwo-Stroke EnginesC.C. Stan, Introductory Chapter: From a Simple Engine to an Electronically-Controlled Gasdynamic System. Y. Ikeda, T. Nakjima, and E. Sher, Air-Pollution from Small Two-Stroke Engines and Technologies to Control It. S. Henningsen, Air-Pollution from Large Two-Stroke Diesel Engines and Technologies to Control It. Fuels: D.R. Blackmore, Introductory Chapter: Fuel Effects. Y. Zvirin, M. Gutman, and L. Tartakovsky, Fuel Effects on Emissions. ReferencesAppendicesNational Gasoline Specifications. National Specifications for Automotive Diesel Fuel. US EPA Models for Calculation of Fuel Effects on Exhaust Emissions.