IronKop....high intensity cardio does burn a lower percentage of fat, but like you said it does burn more calories...so when you look at the percentage of fat...it seems as if not much was burned, but when look at it from the perspective in terms of how much fat all together was burned.....you burn slightly more fat from high intensity cardio....part of this is because of an increase in E.P.O.C. (excessive post exercise oxygen consumption)....I remember cuz I took ex.phys. last semester
Peace!