All Energy
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Green flights? NASA explores biofuel use in planes.
Commercial jets could fly safely with a blend of jet fuel that includes a plant oil, NASA researchers said Thursday. NASA is one of several government agencies examining the use of renewable biofuels to reduce dependency on foreign oil while reducing carbon emissions.
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Obama's $2 billion plan to wean US off foreign oil (+video)
During a visit to Argonne National Lab, President Obama proposes using royalties from offshore drilling in federal waters to create an 'Energy Security Trust Fund' to pay for research into battery and clean-fuel technologies.
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Do Obama cabinet picks match his greener second-term talk?
President Obama nominated new leaders for the Department of Energy and the EPA Monday. Environmentalists like one of them, energy-industry advocates like the other.
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Airbus to ditch lithium-ion batteries – for now
Airbus is telling airlines that its new A350 will use nickel-cadmium instead of lithium-ion batteries until questions about lithium-ion batteries have been resolved. The Airbus A350 should debut late next year.
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Boeing 787 batteries clear first test. Focus shifts to monitoring system. (+video)
Boeing 787 batteries seemingly passed first inspections this week as US and Japanese officials came up with few answers in their cursory examinations of the Boeing 787's battery fires. The company's outsourcing strategy and a weak permitting process may have contributed to the Boeing 787's glitches.
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Boeing 787 probe centers on lithium-ion battery maker
Boeing 787's lithium-ion battery maker is the focus of an investigation launched Monday by Japanese and US officials. Boeing 787 Dreamliners were grounded after an overheated battery forced the emergency landing of an All Nippon Airways 787 flight last week.
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Who's killing the electric car? Consumers.
Sales of Chevy Volt and Nissan Leaf are far short of expectations. Fisker and other electric-car makers are in trouble. Will the lack of consumer sales kill the electric car, just as it did in the '90s?
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Tesla Model S electric zaps the competition
Praise pours in for the Tesla Model S, a costly car that uses no gas.
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Why your phone's battery life is (still) underwhelming
Smart phone processors and download speeds are many times faster than just a few years ago. So why hasn't battery life made similar leaps?
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Hybrid cars 101: How long should batteries last?
Owners complain that some hybrid-car batteries conk out early. What is the lifespan of a hybrid battery?
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Electric cars 101: What does MPGe mean, exactly?
Electric and dual-fuel cars need a new calculation: MPGe. But the EPA's new measurement doesn't tell the whole story.
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Tidal turbines: New sparks of hope for green energy from beneath the waves
After decades of abandoned plans and crushed prototypes, tidal powers finds new footing off the shores of Eastport, Maine.
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The great electric car race of 2010
This year, more automakers will roll out electric cars to American roadways.
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No more power lines?
Buried super-cooled electrical cables may replace towering transmission lines and carry solar and wind energy efficiently over long distances.
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Wind energy industry looks to Copenhagen for a mandate
In an interview, Denise Bode, CEO of the American Wind Energy Association, says the industry needs a renewable energy mandate from the climate conference in Copenhagen and from Congress.
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The hidden costs of fossil fuels - and biofuels, too
The 'hidden' costs of burning fossil fuels and biofuels aren't factored into their market prices, but someone has to pay them.
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Leasing the sun
Discount deals and tax incentives help homeowners go solar,
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Solar-hydrogen house in Florida combines new, old
It may look like an out-of-place throwback, but the Off-Grid, Zero Emissions Building has a futuristic purpose.
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Developing world's energy needs set stage for fight
Developing nations' urgent need for more energy has become a central issue this year as developed countries push for a global reduction in carbon emissions.
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A major price drop for solar panels
Solar power has suddenly become more affordable.
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