Renewable Energy

A U.K. startup gets $22 million to test its system of Pumped Heat Electricity Storage, which would become wind power’s best friend if it works.

German researchers think their technique for combining carbon dioxide with hydrogen to make methanol could help reduce greenhouse gas emissions.

Karl Rove comes out in favor of the production tax credit for wind, but it’s the Sierra Club’s beefed-up backing that could make a bigger difference.

The biodiesel industry takes its story of recycled french-fry grease – and jobs – to Washington in an effort to gain legislative support.

A process that yields energy-dense biofuel from cellulose is reportedly close to being economical, if you use fossil fuels to help make it.

Geothermal power is on the rise, at least according to latest figures from the industry body, the Geothermal Energy Association (GEA).

The Romney campaign seems to have some ‘splainin’ to do after Konarka, backed by Massachusetts under the Romney administration, goes belly up.

An ambitious plan unfolding in Minnesota aims to marry biocoal and steam technology in a modernized locomotive to create a more carbon natural form of mass transit.

ScottishPower Renewables has just completed an initial testing period for its 1 megawatt tidal power project in the Orkney isles, located off the northern tip of Scotland.

The industry, taking a break in its fight to retain a key tax incentive, says it’s committed to implementing recently established siting guidelines.

The debate about wind turbines, noise and health takes a new turn in Massachusetts, with the state recommending a turbine be shut down for further testing.

When wood from cleared forests is used to produce bioenergy, the climate impacts are more dire than if the wood is used for lumber, UC Davis researchers say.

Bermuda is on the way to getting Carnegie Wave Energy’s CETO system after a study showed the Caribbean island’s viability for commercial marine power.

The U.S. Navy plans to demo its “Great Green Fleet” in a big maritime exercise this summer, but Republicans in Congress want to turn off the biofuel spigot.