At CES, GM was giving test rides of its EN-V concept vehicle for the first time in the United States.

The EN-V runs on battery power for about 25 miles on a charge, with top speeds of 25 miles per hour. GM constructed the outer shell, but the chassis was made in conjunction with Segway.

Ideally, GM wants to see this kind of vehicle in emerging markets, but the problem is that the pint-sized EN-V wouldn't withstand a collision with a full-sized car. Cities could, however, create EN-V-only lanes.

Alternatively, GM could see the EN-V running in enclosed areas where cars aren't allowed, such as amusement parks. But because this is just a concept car, there's no timeframe for when the EN-V, or something like it, will be ready for the outside world.

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