CBO suggests taxing drivers by the mile
http://www.washingtonexaminer.com/cbo-suggests-taxing-drivers-by-the-mile/article/2585765
...OBAMA can't have you folks who bought vehicles that get good gas mileage or electric vehicles getting away with not paying ya fuel tax. For those with regular vehicles you will get nailed twice.

Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!