Policy Documents

The Increasing Sustainability of the Internal Combustion Engine (part 4)

Joseph L. Bast and Jay Lehr., Ph.D. –
June 1, 2000

Internal combustion engines and exhuast scrubbing systems are being continuously improved, so that today's new cars emit just 2 or 3 percent as much pollution as their precontrol counterparts.  Fuel economy has doubled since 1970.