The few cars capable of driving over 200mph (none exist that can break 300, and they probably never will) are incredibly fuel inefficient. The Bugatti Veyron w

The few cars capable of driving over 200mph (none exist that can break 300, and they probably never will) are incredibly fuel inefficient. The Bugatti Veyron will empty its entire 26 gallon tank in 12 minutes at top speed, that's not sustainable for mass-transit.