Philips seeks to replace florescent tube light with an LED using technology planned for other types of bulbs.
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.
Join the app economy or invent new energy technology? Two startup events reflect evolving ideas on energy entrepreneurship.
A Caltech researcher thinks arrays of tiny wind turbines could produce cheaper power than big ones.
Demand response—essentially dialing back power at key times—is quietly becoming a key technology for the electricity grid of the future.
Tesla’s innovations in batteries give it an edge that Fisker, focused on design, lacks.
Aquion Energy lands $35 million to commercialize its novel grid-storage battery, bringing in Bill Gates as investor.
Energ2’s nanostructured carbon anodes can boost lithium-ion battery capacity by 30 percent.
With no one buying new equipment, solar companies are looking to make the best of existing technology.
Tesla says stronger sales will increase profits for the quarter, while it cuts the lowest-range Model S electric sedan.