There's a type of alternative energy vehicle that's available today and that you can buy right now if you're in the market for a mode of transportation that produces significantly less pollution than an internal combustion engine vehicle does. It's the battery-electric car and there are several on the market right now, including the Nissan Leaf and the Tesla Roadster. Electric cars are best for relatively short commutes of a few dozen miles a day and can be charged overnight in your garage or at a public charging station, but produce no pollution at the tailpipe. Of course, the power plants that supply your local electrical grid (which is what you'll recharge your electric car from) may produce pollution, but you'll still be generating far less transportation pollution from a battery electric car than from any other currently available type of car.
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