U.S. Department of Energy Energy Efficiency and Renewable Energy
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Revamped Search Tool Serves Up Alternative Vehicle Options Faster

A graphic of various small blue vehicles with one larger, green car shown under a magnifying glass.

Browse light-, medium-, and heavy-duty AFVs, engines, and hybrid systems easier with the new Alternative Fuel and Advanced Vehicle Search.

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October 30, 2014


Reducing Petroleum, One Billion Gallons at a Time

A photo of several black barrels of oil with a red arrow descending over them.

Learn how Clean Cities is reducing America's oil dependency a billion gallons at a time.

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October 24, 2014


Propane-Powered Buses Cut Costs, Green School Fleets

A photo of an orange school bus with a propane sticker on the back.

A new case study highlights the benefits and challenges of deploying propane in buses.

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October 7, 2014


Be Prepared with Alternative Fuels

A close-up photo of a compressed natural gas truck with a white Clean Cities sticker refueling at a CNG station.

During National Preparedness Month, be ready for the worst situation, even if you’re hoping for the best.

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September 26, 2014


Filling Up a CNG Vehicle Tank

A graphic of a cylindrical purple tank with red dots inside to represent natural gas in a CNG vehicle tank.

See how variables such as temperature and fill rate affect how a CNG vehicle's tank fills with gas.

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September 11, 2014


I-75 Project Brings Biofuels to one of the Nation’s Longest Highways

This photo shows two drivers fueling their vehicles with E85 along the I-75 Clean Fuels Corridor.

With the launch of the I-75 Clean Fuels Corridor, drivers can fill up their vehicles at stations in the world's longest biofuels corridor.

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July 9, 2014