I was looking over Wired's post on Hammacher-Schelmmer's gas-powered snowboards, and it hit me: didn't someone do this years ago? And wasn't that someone none other than the Chrysler Corporation?

Traditional snowmobiles are large enough to carry two passengers, travel on dual skis up front and a single track in back, and weigh 400 to 600 lb. They are powered by two or four-stroke engines ...