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ARPA-E, the Department of Energy agency created to research clean-energy breakthroughs, puts an additional $106 million into 37 commercial and academic ventures.
SunHydro opened its first solar hydrogen fueling station in Connecticut last week, marking what the company hopes will be the start of the East Coast hydrogen highway.
Ethanol-from-microbes company is seeking an additional $20 million and is hiring a new CEO from DuPont.
A close-up look at the Phill natural-gas home refueling station
Honda retails natural gas Civic