If you have someone like The Alliance do your taxes for you they'll take care of it. You do something on your return that recoups the taxes paid on fuel used in the generator. If you had a separate tank for APU fuel it could be bought at the pump like reefer fuel without the tax.
Leo Bricker, 73's K5LDB, OOIDA 677319
Owner, Panther trucks 5507, 5508, 5509
Highway Watch Participant, Truckerbuddy
EO Forum Moderator
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Support the entire Constitution, not just the parts you like.