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.
Krishna Palem thinks a little uncertainty in chips could extend battery life in mobile devices--and maybe the duration of Moore's Law, too.
Frances Arnold is designing better enzymes for making biofuels from cellulose.
Exciting new ways to make fuels are emerging.
Plug-ins will lead to lower overall emissions, even if the electricity that powers them comes from coal.