Digital convergence is rapidly coming to lighting as component makers pave the way for customizable, networked lamps.
Using a wind energy and expensive lithium-ion batteries, AES Energy Storage is making money by stabilizing the grid.
Those advocating limits on greenhouse gases can’t count on the weather to make their argument.
Does it make sense to spend so much on already commercialized technology?
Philips seeks to replace florescent tube light with an LED using technology planned for other types of bulbs.
Join the app economy or invent new energy technology? Two startup events reflect evolving ideas on energy entrepreneurship.
Demand response—essentially dialing back power at key times—is quietly becoming a key technology for the electricity grid of the future.
Aquion Energy lands $35 million to commercialize its novel grid-storage battery, bringing in Bill Gates as investor.
Tesla says stronger sales will increase profits for the quarter, while it cuts the lowest-range Model S electric sedan.
Making liquid fuels from low-carbon sources is better than mounting solar panels on planes.