Improving the fuel economy of heavy vehicles

While there are fuel consumption standards for passenger cars, there is no such regulation of medium- and heavy-duty vehicles in the U.S. With such vehicles accounting for about 26 percent of the transportation fuel used in the U.S. regulators are looking to establish fuel economy standards for these vehicles in the next few years. Now a new U.S. report has been released recommending the best ways to measure and regulate fuel economy for these vehicles, and assess technologies that could improve it. Amongst its findings, the report says that some vehicles could cut their fuel use by about 50 percent through the use of a combination of technologies.

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