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.