Quote:
Originally Posted by Fat Charlie
Welcome to the fun!
But FWIW, hypermiling isn't about driving slowly. Driving slowly helps cut down on drag, but so do aeromods and drafting- and on a crowded road everybody's drafting, even if they don't know it.
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I hope I didn't give the impression that I had any issues with hypermiling in terms of speed, but drafting will get the red lights behind you in a hurry out here. Its my understanding that to be effective you need to get close enough to be out of the turbulence wave coming off the "draftee" so it depends on how big the draftee is. It might be possible with an 18 wheeler but not with an SUV or cargo Van.
Aero mods are worth further investigation. The price of carbon fiber molding and 3D modeling or even printing has dropped significantly in the lsst year. but you need to acknowledge to trade off between added weight to the rolling mass, versus Aero effect. That's where it gets sticky and costly for vehicle repairs if its ever needs body damage repairs.