Gearing helps a ton. Cruising 100-110 on my chart where I'm getting around 6L/100km in 9th. Doing 120-130 I'm in the low 7's with minimal hybrid help.
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I get about 19,685,039" per tank so I'm not too worried on fill up costs.
I get about 850,000,000mm per tank.
Roughly 6000ml/100000000mm
Mostly just commuting on Deerfoot at off peak times.
I know what you mean. So many people I know rave about Costco gas prices and go out of their way to get gas there. With the extra driving and lost time it's probably not really much of a savings for a lot people. The Costco closest to me is the one at Deerfoot Meadows and it's an absolute shit show at any given time of day. I can fill up at Superstore or Esso which are both right down the street from me and I get PC Optimum points for gas there too. Plus I value my time more than saving $2 out of an entire fill up.
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Come off it. This hasn't been a real car forum for years.
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My truck gets about four months to a tank in the winter.
I get 218,000 fathoms on a tank. My tank holds 95 quarts. That converts to 83 nautical miles per Winchester bushel of diesel, which isn't bad I don't think for a truck that weighs almost 32,000 newtons.
I didn't save the link, but I came across one before that listed best speed for fuel mileage. I thought the information was available because manufacturers are required to test it IIRC. But don't quote that, it was a long time ago when I saw it.
But in general for most cars optimal speed is around 55mph, which is why they set the speed limit there during gas shortages all those years ago.
"Best speed" varies widely due to aerodynamics, gearing, engine displacement, tire rolling resistance, weather conditions, road surface etc. etc. etc.
You would need a wind tunnel and a dyno to figure it out.
To set an optimal speed for all cars or even most cars would be extremely difficult. It would even be different for 2 of the same cars with different tires.
You can usually identify the point where your mileage falls off a cliff though, so if you stay below that you are probably within the realm of not caring if you're getting 6.2 vs 6.6 L/100km or whatever.
I think for most people though, arriving sooner far, far, outweighs any fuel savings if they value their time.
You can see current gas mileage on most newer cars no? It's pointless for stop and go traffic but on highway I'm sure you can use it to optimize efficiency if you choose to.