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New direct-drive turbines promise to lower the cost of offshore wind energy.
A simple catalytic process converts plant sugars into gasoline, diesel, and jet fuel.
A simple new process generates hydrogen for fuel cells.
An odd new material could be a boon in dry regions with limited access to clean water.
Materials that change temperature in response to electric fields could keep computers–and kitchen fridges–cool.
An LED flashlight makes culprits vomit.
A semiconductor material with three energy bands uses more sunlight, by trapping low-energy photons.
New thermoelectric materials will be tested in BMW, Ford, and Chevrolet vehicles by the end of summer.
Startup Enphase Energy is shrinking DC-to-AC inverters to extract more juice from solar panels.
Silicon backing should make high-efficiency lighting more affordable.