Quote:
Originally Posted by Muskoka800
A friend of mine once spoke to a retired BMW engineer who worked on their cars when fuel injection was new. He said their cars would not run properly on Canadian gasoline due to it's poor quality. Worked everywhere else in the world.
Personally, I have found my cars get far superior fuel mileage on NY Sunoco Ultra 94 fuel compared to Ontario's Petro Canada Ultra 94.
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Got hard data to back any of these statements up?