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Companies are demonstrating a novel way to turn inaccessible coal into usable fuel.
The ARPA-E research agency funds R&D that is not advanced enough for the private sector to take on. Now its focus on alternative energy puts it in the political crosshairs.
Joule Unlimited will demonstrate its novel production process within the next few weeks.
A novel approach to concentrating sunlight could cut solar panel costs.
With no one buying new equipment, solar companies are looking to make the best of existing technology.
Taking on established battery makers and making electric vehicles mainstream will require far more radical advances.
A study identifies early-stage technologies that could be combined to cut the cost of solar panels in half.
Volvo, Tesla, and dozens of researchers are using creative battery designs to make electric vehicles lighter.
Moving too quickly on alternative fuels could backfire, says one expert on ethanol fuels.
The use of a type of battery with a history of overheating raises safety concerns.