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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal legal light-duty vehicles from 1984 to present. Speed increase.

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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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Current Legal Requirement for Use of Anhydrous Ethanol in the United States. In addition to confirming the effectiveness of hydrous ethanol for gasoline blending in actual vehicle trials, these initial tests have shown measurable increases in volumetric fuel economy, indicating higher thermodynamic efficiencies resulting from hydrous ethanol.

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Mercedes-Benz introducing new diesel family in E 220 d this spring; new OM 654 with 13% lower fuel consumption; diesel “indispensable”

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Further, all the elements of the exhaust aftertreatment system are now configured directly on the engine itself and no longer on the vehicle. The new OM 654 delivers around 13% lower fuel consumption and CO 2 emissions along with a further increase in output (143 kW instead of 125 kW) compared to its predecessor, the OM 651.

Diesel 150