Caterpillar unveils engines to meet '07 emissions


CHICAGO, March 30 (Reuters) - Heavy equipment maker Caterpillar Inc. on Wednesday unveiled new diesel engines that use exhaust filters and a new combustion process to help it meet more stringent federal emissions standards that take effect in 2007. The company said its newest ACERT engine for heavy-duty on-highway trucks will get the same gas mileage as current models, while its new mid-sized truck engines will get 4 percent better fuel economy. "We were able to incorporate more of the ...

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