Two sprawling solar power plants are complete. One produces electricity at night.
Technology Review visits Leyden Energy's pilot production line in Fremont, California to see how batteries are made.
The technologist turned venture capitalist describes his approach to investing in technologies that can avert climate change.
Dealing with the world’s worst nuclear disaster still requires incredible amounts of work.
Decisions about future energy sources will need to factor in water consumption as well as greenhouse-gas emissions.
Today's electric cars and wind turbines rely on a few elements that are mined almost entirely in China. Demand for these materials may soon exceed supply. Will this be China's next great economic advantage?
A start-up, Liquid Piston, aims to greatly improve the efficiency of internal combustion.
One company's method for low-cost, high-yield sugar production could help biofuels compete with fossil fuels.
A leading researcher at the Palo Alto Research Center explains a plan to increase battery storage capacity.
The CEO of Codexis describes how his company is making renewable fuels affordable.