An Electrifying Startup
A new lithium-ion battery from A123 Systems could help electric cars and hybrids come to dominate the roads.
Features
Topics
Mining Pathways for Biofuels
Exciting new ways to make fuels are emerging.
Oil Rigging Elections
Politics continue to complicate energy policy.
Cellulosic Biofuels
Gregory Stephanopoulos explains challenges in converting biomass to biofuels.
The Price of Biofuels
Making ethanol from corn is expensive. Better biofuels are years away from the gas tank. Farmers are reluctant to change their practices. But do we really have any alternative to biofuels?
Sea-Level Riddle
Determining how fast ice sheets are melting is critical to future policy.
Measuring the Polar Meltdown
At a remote outpost in northern Greenland, a team of scientists are attempting to resolve the central mystery of global warming: how quickly will sea levels rise?
Electric Cars 2.0
Plug-in hybrids could bring gas-free commutes. But will they make it to market?
Green Concrete
Nanoengineered materials could reduce greenhouse-gas emissions.
George Whitesides
The nanotech pioneer turns to energy.
