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The Advanced Research Projects Agency for Energy (ARPA–E) works on a three-year cycle: Funded projects have three years to prove worthy--or not. Program directors who help fund projects such as Plants Engineered to Replace Petroleum ( PETRO ) or Batteries for Electrical Energy Storage in Transportation ( BEEST ) have three years to steer the research. And, after three years at the helm as the founding director of ARPA–E, mechanical engineer Arun Majumdar has announced that he will be stepping down in June.

Name: Arun Majumdar Title: Director, Advanced Research Projects Agency–Energy [More]

The smart grid . Sounds good, right? But what exactly is it

NATIONAL HARBOR, Md.--Every day the U.S. imports $1 billion worth of oil.