Under the first-ever fuel economy rules for heavy trucks, big tractor-trailer trucks must reach 20 percent more miles per gallon by 2018, the President announced Tuesday, maintaining that the consumer costs to fund the projects will equal out at the pump. The New York Times, 8/9/2011
Under the first-ever fuel economy rules for heavy trucks, big tractor-trailer trucks must reach 20 percent more miles per gallon by 2018, the President announced Tuesday, maintaining that the consumer costs to fund the projects will equal out at the pump.
The New York Times, 8/9/2011
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