Hydrogen Fuel Roundup
Scientists are experimenting with algae that could produce hydrogen fuel.
People Power
A knee-mounted device harnesses electrical energy from everyday walking.
Green Roofs
Growing plants on your roof has ecological benefits – and can save energy, too.
Fuelish Roundup
Low grade, high-sulfur bunker fuel is deadly to wildlife and humans. So why is it still in use?
Whale Energy
The shape of humpback whale flippers could make wind energy more efficient.
Harvesting Vibrations
New devices generate power from environmental vibrations.
Energy Roundup
Power could go wireless, and sound could be made into electricity.
Upper Atmosphere Roundup
A new technology could tap the jet stream for energy.
Energy Tech Roundup
A fusion-powered nuclear reactor may be closer to realization.
Fossil Fuel Switch
A new study shows that we can wean ourselves off of fossil fuels faster than we might suspect.
Rough Roads
Drivers have come to expect high prices for gas. But the roads themselves may be jacking up your car expenses.
Coal-Based Jet Fuel
Good old-fashioned coal could revolutionize jet fuel.
Elephants and Ethanol
To reduce our dependence on oil, scientists are renewing their efforts to make alternative fuels like ethanol economically viable. Here we learn how elephant dung might help.
Fuel-Saving Speed
With prices at the pump so high, one listener wants to know whether driving slower saves gas--and money.
Blackout Air Quality
The August 2003 blackout over the Northeast gave scientists a way to measure pollution from power plants.
Electricity from Sewage
A fuel cell that generates electricity from waste water
Bacterial Batteries
A fuel cell that uses bacteria to convert sugars into electricity
Oil Platform Reefs
Offshore oil platforms serve as artificial reefs, protecting lots of marine life.
Carbon Cloisters
Storing carbon dioxide underground could help environment -- removing CO2 and recovering natural gas
Ocean Gas
Researchers attempt to find ways to tap frozen natural gas under the sea
Seafloor Energy
Making a fuel cell that's powered by ocean sediment and seawater
Neutrino Detector
A detector built in Japan is studying neutrinos from nuclear power plants