318 MAX fuel economy builds?

Dmopower said
Speaking for myself. When I say I'm shooting for 20 mpg. That pulling up to a station on a road trip then rolling down the highway till we stop to eat, pee or refill. So I'm only speaking open road documented miles and....I am still in the process, so I have not achieved that goal yet.
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Yup, that's the way to do it. When I say I got 19.6 mpg on the highway, that's (almost) how it was done. I filled up at a station just off the highway, got to my destination which is about a mile off the highway, then the next day drove about 2 miles to fill it up.