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Forget ethanol: it’s hard to transport and gives bad mileage per gallon. Another alcohol, butanol, is a much better renewable fuel, says the president of BP Biofuels.
A veteran venture capitalist’s new energy.
Carbon nanotubes could help make nanoparticle-based solar cells more efficient and practical.
A new engine design could significantly improve fuel efficiency for cars and SUVs, at a fraction of the cost of today’s hybrid technology.
No matter how well they’re engineered, hydrogen cars offer no real answer to the imminent threats posed by global warming.
New reactor technologies offer poorer nations cheap, safe, efficient power. Sanctions designed to prevent the proliferation of weapons impede their use. What would a better policy look like?
Cheap organic molecules could more efficiently convert waste heat into electricity.
Affordable HD-DVD players are one potential payoff from a simpler process for making semiconductor lasers.
Great Point says that its catalytic process could put coal back in your basement.
Both companies modify transistor materials to make smaller, faster, more energy-efficient processors.