Not a lot left in that tank. Just hitting 40% now, at best I think we might hit double that—but i’m not even sure about that, I don’t understand the Carnot diagram and all. But its not going to hit 100%, so at best we have a doubling that could occur.We probably have 50 more years of improvements to go on ICE vehicles to make them ultra powerful and ultra efficient.
Then I’m not sure about economy of scale. Bigger things tend to be more efficient, but a car needs to be on the small car.