the slower the better. drive 40 mph and you will get excellent mileage. so drive as slowly as you feel safe in traffic.

there is no car that i have ever heard of that gets better mileage at 75 than 60 because of some mythical "sweet spot".

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.