3 ms·Digging the oil out of the ground and burning it very much 'spends' it.by jameshart 4y agoDigging the oil out of the ground and burning it very much 'spends' it.gambiting 4y agoI meant the energy that was originally used to create oil in the first place. You don't need to add any more, because oil, unlike hydrogen, already exists.jameshart 4y ago... for now.