Sell the hummer, buy a hybrid?

With the price of gas rising, more people driving hummers are finding visits to fill the tank an expensive business. It's tempting to think of trading in the guzzler and buying a hybrid. A Toyota Prius, for example, will give you not less than 45 miles per gallon - drive it carefully and you'll do a lot better. Better still some of the hybrids qualify for a federal tax incentive. The