A new solar cell is 27 percent more efficient without being more expensive to make.
Nanomaterials could be used for lower-emission cars and solar panels.
Communications technologies will make Boulder's grid more efficient and environmentally friendly.
A California startup is cutting by half the amount of costly silicon used in solar panels.
Researchers are working on solar cells that use a novel organic dye.
Mimicking the bumps on humpback-whale fins could lead to more efficient wind turbines.
GM and Toyota leaders admit that hydrogen fuel cells have serious problems.
At the Geneva Motor Show, GM unveils a new system for improving fuel economy.
Producing ethanol might increase greenhouse emissions, but the funding to find out is being cut.
A versatile new process for making biofuels could slash their cost.