U.S. Department of Energy Energy Efficiency and Renewable Energy
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How Heavy is Too Heavy? Idle Reduction Equipment Impacts Weight Limit Restrictions

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


April 20, 2015

UPS Delivers on Its Commitment to CNG

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


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.


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.


March 26, 2015

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

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


March 23, 2015

Help Us Formulate the Clean Cities Strategy!

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Provide your input on a new Clean Cities program five-year strategic plan.


February 26, 2015