Percent of worldwide man-made "greenhouse" gases

[Apple Pie Chart]
All US cars and light trucks subject to CAFE (corporate average fuel economy) standards represent only 1.5% of worldwide man-made greenhouse gases. If proposed legislation to require a 40% increase in CAFE standards is enacted into law, the reduction in the car and light truck portion of global greenhouse gases would be virtually undetectable - only 0.4%, and not until 2010.

US EPA and Intergovernmental Panel on Climate Change
Taken from the NMA's Web Page.

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