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gone-ot · 05-17-2014, 07:23 PM

Originally, gasoline here in Phoenix and Tucson (EPA-declared "smog" areas!) had to use E10 gasoline year-around...but, now, it's been relaxed to "...up to 10% ethanol..." year-around, so the actual amount of ethanol varies.

05-17-2014, 07:23 PM	#3 (permalink)
gone-ot ...beats walking... Join Date: Jul 2009 Location: . Posts: 6,190 Thanks: 179 Thanked 1,525 Times in 1,126 Posts	Originally, gasoline here in Phoenix and Tucson (EPA-declared "smog" areas!) had to use E10 gasoline year-around...but, now, it's been relaxed to "...up to 10% ethanol..." year-around, so the actual amount of ethanol varies.