P.S. I must be a wierdo as I think just because a guy can afford to do something, doesn't mean he should. I can afford to buy 100 gallons of gas several times a month, pour it on the ground, light it (or not)... but I don't think I should.
depends on conditions and everything, but around that according to my AC class.
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-Russell
1991 Toyota Pickup 22R-E 2.4 I4/5 speed
1990 Toyota Cressida 7M-GE 3.0 I6/5-speed manual
mechanic, carpenter, stagehand, rigger, and know-it-all smartass
"You don't get to judge me for how I fix what you break"
Be that as it may, even if they only get 5 mpg in the summer with the A/C blaring, if they have 20 people, that's 100mpg per person.
Plus, the AC is a necessary loss to get people to use the bus. If it was miserable hot, nobody would ride the bus, and so that gain in absolute MPG would be a loss in efficiency.
So that 130HP lost to AC means that it more efficiently uses it's gas to transport people, even if it's less efficient at moving a set distance.