RENEWABLE ENERGY

Solar and wind could outstrip conventional hydropower this year for the first time, according to federal energy stats.

California spends more on clean energy and research than any other state.

Hydrogen fuel cells will get a jump start in 2015, as California aims to quadruple the number of hydrogen stations available in the state.

Tighter emissions rules and declining solar and wind power costs will give renewables the lion's share of new investment.

KKR expands its wind energy portfolio with big stake in Spain's trouble Acciona, which lost big money when Spanish subsidies ended.

The American Bird Conservancy has sued the Obama administration over a new federal rule that the group says could threaten vulnerable eagle populations.

California solar company SolarCity told investors Tuesday that it would enter bumpy world of solar panel manufacturing by acquiring panel maker Silevo.

China's President, Xi Jinping, on Friday announced new guidelines for reshaping how the Asian giant produces and consumes energy.

The governor is set to sign a rollback of Ohio's renewable energy and energy efficiency mandates ahead of the Saturday deadline.

The Obama administration's new plan to curb carbon emissions from power plants could give a much-needed boost to the economically troubled U.S. nuclear industry.

The company has saved nearly $5 million by utilizing solar power, thanks in part to taxpayers.

The White House new report on how climate change will affect the U.S. environment -- and economy.

About 4 percent of U.S. nuclear capacity retired last year and more closures are expected this year.

All four of Apple’s data centers, located in North Carolina, Oregon, Nevada and California, rely entirely on renewable energy.

Apple's video "Better" addresses its environmental footprint and displays its Nevada data center ahead of Earth Day.

Talk about an innovative technology: Oregon State University chemical engineers have achieved a breakthrough that will reduce costs.

After decades of trying, U.S. Navy scientists have finally cracked the technology to turn seawater into fuel.

As the controversy over the federal budget continues this month, the parties are split over energy policy.

Internet providers are greener than they used to be, but Amazon and Twitter are far behind, Greenpeace says.

A biotech company has patented a hybrid tree species that can grow in the toughest environments and will be used to create biofuel.

The survey shows strong demand for solar power, and if that endures the increase in solar deployment would continue.