A kind of little cars may some day take the place of today’s cars.If everyone drives such cars in
The little cars will cost much less to own and to drive.Driving will be safer，too，as these little cars can go only 65 kilometers an hour.The cars of the future will be fine for getting around a city，but they will not be useful for long trips.Little cars will go 450 kilometers before needing to stop for more gasoline.