U.S. Department of Energy Energy Efficiency and Renewable Energy
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Summer Road Trip in Your Future? Cut Fuel Costs When the Temperature Heats Up

Photo of a couple in a silver convertible driving down a dirt road in the countryside.

Improve your fuel economy and save money on fuel this summer with these simple tips.

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May 19, 2015


How Heavy is Too Heavy? Idle Reduction Equipment Impacts Weight Limit Restrictions

Photo of a red semi-truck driving on a highway surrounded by forest.

Learn how idle reduction technologies affect interstate weight-limit restrictions for heavy-duty vehicles.

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April 20, 2015


UPS Delivers on Its Commitment to CNG

Photo of a large brown semi-truck parked outside of an office building.

Learn how this transportation and logistics company is growing its CNG fleet and fueling station locations.

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April 10, 2015


CNG and Fleets: New Publication Builds a Case

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A new report details how to determine the financial soundness of implementing compressed natural gas for fleets.

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April 6, 2015


National Parks, Clean Cities Move Forward on Sustainable Transportation Projects

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See which new national parks will partner with the Clean Cities Initiative or expand existing projects.

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March 26, 2015


Back to Basics: Understanding Emissions — and How to Talk About Them

A photo of a white sign that reads 'Low emitting vehicles only' in green writing, set against a blue sky with white clouds.

Learn about the resources available to help you become an emissions expert.

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March 23, 2015