And the largest component that consumes gas and hp, THE AC!
I had a Geo Metro I really miss that car. Couldn't hardly get out of it's own way from a standstill at a stop light, but once you got em rolling they really rolled. Mine would shake like Scotty was pushing it warp 9 until it got over 90 mph then it smoothed right out. $4 in gas would get me back and forth to work for a week.