Archive for October 8th, 2010

California Diesel Law Based on Gross Overestimate »

The San Francisco Chronicle reports today that the California Air Resources Board overestimated pollution from off-road diesel vehicles by 340 percent. The agency had used that estimate as the basis for tighter emission regulations, adopted in 2007, that applied to bulldozers, dump trucks, forklifts, and other heavy-duty diesel machinery. Those controls halted the use...
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