Call me crazy but It seems I use about .2 KWH less for my 15 mile commute to work if I don't use the radio and have the lights shut during the daytime. I've replicated it several times. I know with lights and radio on if it's 50 F out in the morning I'll use 2.8 KWH for 15 miles and if it's 60 F I'll use 2.7 KWH. With radio and lights off safely I use 2.5 or 2.6 KWH. Does anyone have the actual load wattage? Note, I do play the radio loud so that may be it.... .2 KWH or almost a mile seems like a lot.