Best mpg so far

[Steebu]

Coming back from mt st Helen’s … prob should submit a feature request to go more than two digits, lol.

OK, full disclosure: 23 Yukon Denali Duramax, going down the mountain.

 

[CTown Duramax]

I got 35mpg with the cruise control pegged at 65mph going from Boston to Albany over the Berkshires on I-90.