Every clean-tech startup these days claims to have a breakthrough that will finally make renewable and clean energy sources cheap enough to compete with fossil fuels. But are we really on the brink of a clean-energy economy?
Success for vehicles with a plug, not a gas cap, rests on more than technology.
A new wave of plug-in hybrids and all-electric vehicles will have to overcome a familiar nemesis: battery costs.
Nanowire electronics take sensitive measurements inside cells.
Lessons from the battle over Cape Wind.
An expected nuclear renaissance has failed to materialize as plans for new plants are scrapped or delayed. What happened?
Compact nuclear power plants may be a lifeline for a struggling industry.
A year before the oil shock, a geologist wrote of the coming energy crises.
The cofounder of Microsoft talks energy.
New publications, experiments and breakthroughs in materials--and what they mean.