Ideas Needed: Why sudden drop in mpg?
I always seem to average right around 8.5 mpg however the return leg of this last trip I saw averages around 7.5 and that concerned me. I'm looking for reasons this could have happened. 1) The ret...
Forum Discussion
higher octane hence less knock but less or fewer Btu's per gallon hence less MPG
427435 wrote:
I think your understanding is wrong---------at least in Minnesota. Actually, ethanol makes it easier to rate a gas as higher octane.
