RUNNING EXPENSES PER MILE
per mile
Tires, based on cost of $1063.50 and a life of 8000 miles $.129
Gasoline, 31/2 miles to the gallon @ $.28 per gal. .08
Oil and grease .02
General repairs .035
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Total running expenses per mile $.264
Motor Truck Logging Methods Engineering Experiment Station Series, Bulletin No. 12 · 第 40 / 52 题