Not to mention the fact that this conclusion makes no sense when you consider the fact that one's appetite (and the associated gasoline use of the required food

Not to mention the fact that this conclusion makes no sense when you consider the fact that one's appetite (and the associated gasoline use of the required food) doesn't increase 1:1 with how many extra calories one burned. This assumes no changes at all in how efficiently your body uses energy and how much energy your body stores on it (in the form of fat).