Answer to:
What is the average MPG for a semi tractor? People are always so quick to brag 7 and 8 mpg. The reality is that if I gave you enough fuel to cross the US and figured your predicted mileage on 7 or 8 mpg, you would not even come close to making it there. If you have a perfectly still day, or a tailwind, and you also have an aerodynamic truck, and you also have a light load, and you also drive slow (60mph) with the cruise on, you will...

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