When in gas mode, what happens to the electricity from regenerative braking? I drive up and down a 3 mile long 800 foot high grade every day to work and typically get 5-8 miles back when coming down. But sometimes I have to run errands before coming back down the grade and run out of all electric mode power, so it switches to gas mode. But when it is in gas mode, I noticed my electricity range always stays at Zero, even after I come back down the grade. I hate to think all of my braking and going down the grade electricity just goes to waste! I would expect to see by the time I get home, at least 8-10 miles back in the electric "tank", but it still says Zero. Is it still using the extra power somehow and just not telling me? Would I notice this if I got to the bottom of the hill and plugged it in and would it now say 5 miles and start the charge from there?