Pop Goes The Diesel

Rising gas prices are brutal on small business. How do you squeeze margins that are already pinched?

They weigh 43,000 pounds and can hold two dump trucks' worth of industrial mess: slag from oil refineries, algae from the cooling tanks of nuclear power plants, spilled grain from rail yards. Not surprisingly, the brawny vacuum trucks, aptly named Supersuckers, eat through 100 gallons of fuel a day.

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