The huge popularity of sport/utility vehicles again drove down the overall numbers of the more than 800 cars, trucks, and vans listed in the annual fuel-economy statistics released by the Environmental Protection Agency (EPA). While few small cars get 40-plus miles per gallon, the vast majority of new vehicles only get about half that, according to the government’s latest automobile fuel-economy statistics. For the second straight year, a hybrid gas- and electric-powered vehicle – the two-seater Honda Insight – topped the list of the most fuel-efficient vehicles, with 64 mpg combined city and highway driving, among the 2001 models. It was followed by another hybrid, the Toyota Prius, and three Volkswagen diesel cars. Average fuel economy for 358 models or variations of SUVs, vans, and pickup trucks was just over 18 mpg, compared with 23.6 mpg for nearly 500 cars on the EPA list. King-size SUVs, such as the Ford Expedition, Lincoln Navigator, and Dodge Durango and their twin pickups, accounted for 12 of the 36 vehicles on the list with the worst gas mileage, all with 12 mpg or less in the city and 17 mpg or less on the highway. The luxury-sport import Ferrari 500 Maranello was the biggest guzzler (8 city and 13 highway), followed by the Lamborghini Diablo (10 city, 13 highway). The overall fuel economy for all vehicles continues its steady decline since the late 1980s, when average fuel economy for all vehicles was nearly 26 mpg.