Clean energy depends on new infrastructure.
A leading economist explains why a carbon tax is the best strategy for cutting greenhouse gases and the use of fossil fuels.
With catalysts created by an MIT chemist, sunlight can turn water into hydrogen. If the process can scale up, it could make solar power a dominant source of energy.
Insights into biomass could improve biofuel production.
We need to apply information technology to the energy grid.
Hybrids, plug-ins, and extended-range electric cars are hitting the market. Use this interactive primer to learn how they work.
A new lithium-ion battery from A123 Systems could help electric cars and hybrids come to dominate the roads.
Exciting new ways to make fuels are emerging.
Politics continue to complicate energy policy.
Gregory Stephanopoulos explains challenges in converting biomass to biofuels.