The Fiat Punto with the 1.3-liter turbo diesel engine was already the leading fuel-economy king in Australia. Now it's available with the DuaLogic transmission. The Punto 1.3 JTD DuaLogic is the country's most fuel-efficient car at 62mpg. At $18,400 Yankee bucks, the Punto diesel is more expensive than a typical gas subcompact. But if you drive it enough, it should pay for itself.[Source: car.co.nz - via autobloggreen]