Air Pollution and Transportation Policy Motor Vehicle Air Pollution Should Be Addressed by Technology, Not Behavior Joel Schwartz Visiting Fellow American Enterprise Institute June 25, 2005 Addressing Air Quality through Transportation Policy 1990 Clean Air Act Amendments and 1991 ISTEA
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Air Pollution and Transportation PolicyMotor Vehicle Air Pollution Should Be Addressed by Technology, Not Behavior
American Enterprise Institute
June 25, 2005
Sources: EPA, FDOT
Emission trend in SF Bay Area Tunnel: Car/SUV VOC emission rate is dropping about 13%/year; gasoline consumption is increasing about 2.7%/year in fast-growing areas of California. So total VOC still declining more than 10%/year.
Sources: Kirchstetter, Kean, Harley (UC Berkeley), Caltrans.
Denver vehicle inspection data, 1996-2002
Improvements will continue
Automobile emissions are dropping about 10%/year as fleet turns over to inherently cleaner cars, SUVs, pickups
Fleet meeting 2004 EPA standards—the fleet that will be on the road in 15-20 years—will be at least 90% cleaner per-mile than current average car
Net reductions of more than 80%, even after accounting for VMT growth
Diesel truck standards were tightened in 1998 and 2003. Additional 90% reduction required in 2007
But anti-automobile activists aren’t aware of the real-world data
“sprawl and higher-emitting SUVs are proliferating faster than technological fixes can keep up.” – David Goldberg, Smart Growth America in the Atlanta Journal-Constitution 2003
More Highways, More Pollution, 2004 report by Public Interest Research Group