5 passengers, 100 miles per gallon

What is a Hypercar� Vehicle? ... the innovative work of the Rocky Mountain Institute.

And a new panel meets to discuss hybrid vehicles and the electrical grid: Could hybrid vehicle batteries represent a reservoir or capacity buffer when plugged into the grid?

I understand that current automobiles consume about 7x more daily energy than is produced on the national electrical grid. Future autos are expected to be much more efficient than today's vehicles.