Well a plastic lined fuel tank and fuel lines then. Plastic are cheap, heck most of those parts area already made of plastic. Look there already making E85 capable trucks and cars for a few hundred dollars above regular models.
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That why I said hybrid for turbines, you can run the turbine at a constant load to charge the batteries, even when you consider the efficiency loss of the generator and the batteries a turbine with a recuperator would still be a more efficient, especially if it
