91 no ethanol is about 70 cents higher around here. I run it in everything but the new cars and truck. Have had too many problems with ethanol in chainsaws,weedeaters,generators and lawn mowers! The dam ethanol used to melt/dissolve the gas lines in them. I messed up and topped off my barracuda last time w/ 91 eth., cant tell any dif. so far except it doesn`t start as easy when hot.