One gallon of gasoline carries 115,000btu of energy, that's a hard fact. A gasser engine puts give or take a few % of 1/3 of the gasoline's energy to the crankshaft. So that one gallon of gasoline is going to make 15HP over the span of an hour. Ideal steady state pie in the sky ideal fuel consumption at 50mph steady state for 20mpg would be 2.5 gallons per hr.Which would be using 37.5 flywheel HP average over that hour. I don't see how one can push a pickup and trailer through air drag at 50mph. Tire/rolling/drivetrain friction plus dragging 4.5 tons of truck/trailer/people/fuel uphill. While burning off that same energy with the brakes going down the other side of the hill. Lets add losses for starting stopping for traffic too etc.
Despite what some other on this site and elsewhere may think & say. You can't cheat the laws of physics. Automotive engineers do very well to wring the mileage out of vehicles. They must be frustrated when the "lah lah land " idealistic types without a clue in physics. When these lobby groups and equally clueless government officials want the impossible.
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Today's Featured Article - Women and Tractors, A Woman's Touch - by Teri Burkholder. I thought I would give you a little background on how I got myself hooked on tractors and their restoration. My family is a very "crafty" bunch of people. By crafty I mean good with crafts!! My Dad is a retired industrial engineer from Bucyrus Erie which made big shovels for excavating and he is also a wonderful wood worker. My mom and my "guardian angel" has had her own ceramic shop for 30 years and is an excellent painter. With these skills always active in our house it was hard not t
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