Energy.gov

Learn how fuel cell technologies are vital to our nation's future energy and transportation economies.

Efforts to advance offshore wind energy are ramping up -- get the details on how we're supporting this emerging industry.

If we harnessed America's vast, untapped offshore wind energy resources -- what would be the impact?

How President's Kennedy's 1962 "moon shot" speech is inspiring a bold path forward for solar energy in America.

A pilot project that will generate electricity from Maine’s ocean tides could be a game-changer for America’s tidal energy industry at-large.

Biofuels produced here in the U.S. increase our energy security, but there is still a need for next-generation renewable fuels that can be integrated into the nation's current fuel refining and distribution infrastructure. If successful, electrofuels projects sponsored by ARPA-E could help fill this void.

In the most rigorous analyses undertaken to date, two recently released resource assessments show that waves and tidal currents off the nation's coasts contain enough energy to provide a significant portion our nation’s total annual electricity usage.

For most people, the notion that the green gunk coating various pond and river bottoms is a potential fuel source sounds like science fiction. But the fact is, several projects sponsored by the Energy Department are actively developing various ways to turn that “green gunk”, called algae, into a renewable and sustainable transportation fuel that will help reduce our nation’s dependence on foreign oil.

Researchers at the Office of Science’s Joint BioEnergy Institute (JBEI) have tapped an unlikely source to help create a renewable alternative to diesel fuel.

Researchers at the Energy Department's Joint BioEnergy Institute (JBEI) have engineered the first strains of the bacteria to digest switchgrass biomass and synthesize its sugars into all three types of transportation fuels -- gasoline, diesel and jet fuels.

Can you imagine a world in which the pace and scale of innovation of the last 100 years is replicated and compressed into the next 10 to 20 years?

Serving approximately 9,000 homes with clean renewable energy, the Paloma and Cotton Center solar plants highlight the rapidly rising solar corridor in Gila Bend, Arizona.