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Heavy-Duty Vehicle Greenhouse Gas Emission Reduction Measure

The California Air Resources Board (CARB) is proposing to adopt new regulations to clean up pollution from diesel trucks in October 2008. The rules would require reductions of global warming pollution. Diesel trucks are responsible for seven and a half percent of all of California's global warming pollution. Under AB 32, California's Global Warming Solutions Act, CARB is directed to develop appropriate regulations to reduce the state's global warming emissions to 1990 levels by 2020 (about a 29 percent reduction from business as usual), and the proposed "Heavy-Duty Vehicle Greenhouse Gas Emission Reduction Measure" is one if the most important AB 32 early action measures.

Over the last decade, CARB has taken significant steps to clean up diesel pollution from sources such as buses, garbage trucks, harbor craft, and construction equipment, but trucks remain the largest source of unregulated diesel emissions in the state. CARB's proposed rules would require trucks to clean up through retrofits or upgrade to newer trucks. Incentive funding is also available to help truck owners retrofit or replace their trucks. This regulation is critical for public health and improving air quality in California, and to help us address global warming. 

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