27 Jul '11, 3pm

A Battery That Squeezes More Miles Out of Gasoline

A Battery That Squeezes More Miles Out of Gasoline By MATTHEW L. WALD Ioxus A hybrid battery pack combines an ultracapacitor, which bottles up a quick burst of energy, with a conventional battery, which can store more energy. On Monday I wrote about odd new devices that would help big trucks meet new standards for heavy vehicles’ fuel economy that are expected to be issued any day now. Also expected imminently were new corporate average fuel economy (known as CAFE) standards for cars, pickups, minivans and S.U.V.’s. Rules announced last year already required that cars get an average of 35.5 miles per gallon starting in the 2016 model year. And as with trucks, a variety of technologies are emerging from the labs to improve fuel economy. For cars, one obvious strategy is to have the engine shut down whenever the car stops at a red light. That requires quickly starting the en...

Full article: http://green.blogs.nytimes.com/2011/07/27/a-battery-that-...

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A Battery That Squeezes More Miles Out of Gasoline

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