Originally Posted by JoeSchmoe007
"Straight dino" is regular gas I assume (real dinosaur fossil fuel)? Yes, that's what I used. But last time I filled up I think I saw a label on the gas pump that gas has XX% ethanol added (don't remember exact number)
That sign almost certainly indicates 90% gasoline, 10% ethanol, which would give you a few percent less mileage than straight gas.