U.S. Department of Energy Energy Efficiency and Renewable Energy
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Idle Reduction

Photo of a a sign that says "Idle Free Zone"

Why is idle reduction important? What are ways that I can prevent idling, and what are the benefits of doing so?

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June 13, 2014


Hydrogen Key Terms

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What are the key terms to know when discussing hydrogen fuel, fuel cell vehicles, and hydrogen fueling infrastructure?

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May 20, 2014


Emerging Fuels

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What emerging alternative fuels are under development or are already developed and available in the United States?

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April 21, 2014


Biodiesel Key Terms

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What are the key terms to know when discussing biodiesel fuel, vehicles, and infrastructure?

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March 20, 2014


Driver Behavior Changes to Improve Efficiency

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What driver behaviors can help reduce petroleum consumption?

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February 19, 2014


Propane Vehicle and Infrastructure Key Terms

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What are the key terms to know when discussing propane vehicles and their fueling infrastructure?

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January 20, 2014