Energy.gov

Learn how energy efficiency improvements are helping Better Buildings Challenge partners save money and improve their energy intensity.

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.

New expectations require the Federal Government to be ready to deliver and receive digital information and services anytime, anywhere and on any device. It must do so safely, securely, and with fewer resources. To build for the future, the Federal Government has developed a Digital Strategy that embraces the opportunity to innovate more with less, and enables entrepreneurs to better leverage government data to improve the quality of services to the American people.

Video and highlights from today's swearing-in ceremony of Dr. Ernest Moniz, who shares his vision for the Department's future.

We're providing a behind-the-scenes look at the two-part competition to crown the Year Two winner of EcoCAR 2.

Test your fuel cell knowledge with these little-known facts.

Last week, President Obama visited the Energy Department to to discuss lessons learned from Hurricane Sandy and preparations to speed power restoration during the upcoming hurricane season.

Switching to propane vehicles is helping a Mississippi nonprofit save money and maintain key services.