The heat exhaust of an automobile with an internal combustion engine represents approximately what percent of the energy of the original fuel? October 3, 2021October 3, 2021 administrator The heat exhaust of an automobile with an internal combustion engine represents approximately what percent of the energy of the original fuel?0.35Well Done. Your Answer is Correct Keep it Up!0.50.10.05 Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...