Read more energy trading stories on Newserhttp://www.newser.com/taggrid/1022/energy-trading.htmlhttp://img1-cdn.newser.com/images/newser-black250x40.gifhttp://www.newser.com/2012 - Newseren-usNewser Feed GeneratorWed, 16 May 2012 15:49:48 CDThttp://www.newser.com/story/1291/plug-in-has-power-to-spare.htmlSophie Goldstein<img src='http://img2-cdn.newser.com/getimage.aspx?mediaid=2375&width=45&height=45&crop=Y&updateddate=20110401035517' border='0' />A souped-up plug-in hybrid unveiled yesterday has excited talk of a future in which cleaner-running cars are also profitable. With a new lithium-ion battery that can store up to nine kilowatt/hours of electricity, a hybrid owner could buy electricity at night, store it in the battery, and then sell it... New Hybrids Boast High-Capacity Batterieshttp://www.newser.com/story/1291/plug-in-has-power-to-spare.htmlTue, 10 Apr 2007 12:22:28 CDT