If General Motors hasn't been kicked around enough in the past several weeks, the company today announced that it is working with Segway on the P.U.M.A. a two-wheeled vehicles for urban commuting that looks like a cross between a hot dog cart and an umbrella stand. Judge for yourself: You can already see hipsters lining up to get this. Didn't the Pope have something like this? It was demonstrated in New York City today. The personal transportation market has been the next big thing since Johnny Quest popularized the jet pack in the mid-1960s. So far, though, it's been the low-tech solutions like skateboards that have won out. Toyota has shown personalized vehicles, but only prototypes. Segway was supposed to revolutionize the planet back in the early part of the decade. The vehicles, though, cost quite a bit. Worse, it dovetailed with a growing concern about health and fitness in the U.S. Putting people on electric vehicles instead of walking didn't make a lot of sense. I mean, look what it did to 1976 Decathlon champion Bruce Jenner: