I'm looking forward to purchasing a Volkswagen XL1. http://theage.drive.com.au/motor-reviews/worlds-most-efficient-car-20130222-2ev0a.html http://theage.drive.

I'm looking forward to purchasing a Volkswagen XL1. http://theage.drive.com.au/motor-reviews/worlds-most-efficient-car-20130222-2ev0a.html http://theage.drive.com.au/motor-reviews/worlds-most-efficie... Since it gets 261 MPG, I can drive across the entire United States and only make one stop for refueling, using around 9 gallons of diesel for the whole trip. Driving with a friend at 60mph and bringing a sack lunch, we can even make the trip in only 38 hours since there will be no overnight recharging stops. And when the 5.5kWh Lithium Ion battery fails, it will only cost 1/15 the replacement cost of a 85kWh Lithium Ion battery.