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Page added on December 29, 2006

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Cleaner diesel engine rules take effect

Federal regulations that take effect Monday mandate cleaner diesel engines in new trucks and school buses, dramatically cutting pollution but raising costs.

The new engines, in combination with low-sulfur diesel fuel that began selling nationwide in October, will reduce particulate emissions by up to 98% over the previous generation, the Diesel Technology Forum says. Nitrogen-oxide emissions will fall by half.

But the new engines could add up to $12,000 to the cost of a new big-rig truck, which can run upward of $100,000. In addition, operators fear higher maintenance costs and worse fuel mileage.

“Clean air is not free,” says Rich Moskowitz, who handles regulatory affairs for the American Trucking Associations, which supports the transition.

USA Today



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