CalCars, a nonprofit organization that promotes so-called “plug-in hybrids,” has added batteries and plugs to several Toyota Prius hybrids, getting gas mileage as high as 130 miles per gallon. (the online technology publication Red Herring)
CalCars, a nonprofit organization that promotes so-called “plug-in hybrids,” has added batteries and plugs to several Toyota Prius hybrids, getting gas mileage as high as 130 miles per gallon. (the online technology publication Red Herring)