FloatsomNJetsom writes: "Forget hydrogen — bring an extension cord instead. Popular Mechanics has an exhaustive survey on electric cars, including a special report on plug-in hybrids, such as the (not yet built) GM Volt. From the article: "Garage tinkerers have been turning hybrids into plug-ins for years, but somehow no one paid attention. Other clean-car alternatives (like those below) got all the love. But, really — hydrogen? Maybe, someday. Now, the carmakers say plug-in hybrid electric vehicles (PHEVs) are coming, if the engineers can get the batteries right. They will. Because it's hard to argue with 100 mpg." Plus, lots of video test drives..."