[Christ]

Originally Posted by Piwoslaw

(1) But driving isn't just sitting behind the wheel, it's analyzing the situation, talking on a cell phone, etc. That all takes energy. So the figure should be higher than for sitting in a boat.

(2) The figures for X calories per serving of some food: Is that X calories total, or X calories that the body can actually use. The undigested remains that leave the body as waste also have positive energy content, say Y calories, so maybe the useable calorie content of that serving is really X-Y?

I think that's a really crappy suggestion... :P