Quote:
Originally Posted by greyshep
Just fill up at husky/mohawk, their regular is rated at 90 octane which is almost the same as premium 91 at other stations.
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With a free 10% reduction in fuel economy due to the ethonol content in their gas. Ethonal has less energy per unit, thus it reduces fuel economy.
I use their 92 mid-grade in my Audi occasionally and notice a 5-8% reducion in fuel economy, which is mostly offset by the reduction in price.