Learn how local Clean Cities coalitions are helping companies save money on fuel costs and reduce their emissions by switching their fleets to run on liquefied natural gas.
Learn how PARC, with help from ARPA-E funding, is working to manufacture batteries more efficiently.
Watch highlights from Secretary Moniz's first day in office and find out what he had to say about energy efficiency and his vision for the Department's future.
Follow Secretary Moniz as he's sworn in as Energy Secretary, meets employees and speaks about the importance of energy efficiency.
During his first public speech, Secretary Moniz says he will have a strong focus on energy efficiency.
We're providing a behind-the-scenes look at the two-part competition to crown the Year Two winner of EcoCAR 2.
Sharing your tips for saving energy and money while on summer vacation.
Test your fuel cell knowledge with these little-known facts.
Switching to propane vehicles is helping a Mississippi nonprofit save money and maintain key services.
Clean Cities coalitions all across the country are helping their communities get ready for plug-in electric vehicles.
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