To be useful to you or me, a car must meet certain minimum requirements. The car should be able to: Drive at least 300 miles (482 km) before re-fueling,Be refueled quickly and easily and Keep up with the other traffic on the road A gasoline car meets these requirements but produces a relatively large amount of pollution and generally gets poor gas mileage. An electric car, however, produces almost no pollution, but it can only go 50 to 100 miles (80 to 161 km) between charges. And the problem ...