Doubling the efficiency of solar devices would completely change the economics of renewable energy. Here is a design that just might make it possible.
Despite the need to reduce carbon dioxide emissions, the burning of coal has only been accelerating.
A prototype system can heat and cool without draining battery power.
An International Energy Agency report calls for more research, carbon price, to help renewables compete.
Interactions between hundreds of wind turbines make power output difficult to predict.
First Solar’s strong finances are helping fund innovation and drive down the cost of solar power.
The effects of global warming will persist for hundreds of years. What are our responsibilities and duties today to help safeguard the distant future? That is the question ethicists are now asking.
A Caltech researcher thinks arrays of tiny wind turbines could produce cheaper power than big ones.
Tesla’s innovations in batteries give it an edge that Fisker, focused on design, lacks.
Energ2’s nanostructured carbon anodes can boost lithium-ion battery capacity by 30 percent.