Running higher tire pressures increases tire wear in the center. I'm not sure the 1-2mpg increase would ever pay for the shorter lived tires, unless someone knows of some $50 tires I can fit on my Style 87's?

All my hypermiling is done in my Mini, or other previous commuters, and I could consistently achieve 3-4mpg better when I try to get better mileage than when I don't care and drive hastier.
Light foot, higher tire pressure (set to max load sticker on the door, not the tire), remove excess weight, change all fluids (brake fluid doesn't affect gas mileage though). Allow the car to slow down a little going up hills and speed up a little going down, trying to stay within a +-5mph range of the ideal mileage limit. Ideal mileage limit is generally different than the speed limit, depends on the engine and gearing of the car. The speed limit on my commute is mostly 55, but the gearing of my cars has proven that I get better mileage at 45-50 or around 60-62. 55 must be the ideal gearing for american cars?
And tailgating has always* proved to get better gas mileage because drafting means less HP is getting wasted on pushing the car through the air. Unfortunately, its somewhat dangerous, illegal, discourteous, and causes more rock chips and sand blasting of the front end of the car and windshield. So I reluctantly give up that extra 3-5mpg from drafting to protect my car...*always meaning when driving longer distances at a constant speed. If driving in stop and go traffic, tailgating will result in lower gas mileage. But trying to hypermile in heavy traffic is kinda pointless in the first place.

Once cars become fully automated (self-driving), we'll see tailgating taken to the extreme at highway speeds for the greatest efficiency. This also benefits the car in the front of the pack as they have less tail drag, although the cars in the middle of the pack still see the greatest benefit.

If we can end the forced ethanol 'enhancement' of our fuel, everyone's mileage will go up...I understand we can't just stop the subsidies, but we can stop wasting food to make crappy fuel.

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Olympic Peninsula, WA, USA
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2005 Mini Cooper 100k, British Racing Green/Silver-Black
04/2002 4.6is 140k, Silver/Black-Alcantara *FOR SALE*
1989 325iX 270k, Diamond Black/Black
1984 318i 370k *SOLD* (First Bimmer)
Honorable Mentions: '71 2002, '87 325, '90 325ic, '92 525it, '93 325i, '94 530i