A Wall Street Journal article about trucking firms switching from diesel to natural gas simply for economic reasons. Waste Management, Inc., says that 80% of the trucks they will purchase over the next five years will run on natural gas; each one of which will save them $27,000 per year in fuel costs.
In a couple of years, one-third of Navistar International Corp.'s vehicles sold will run on natural gas, president Eric Tech says. Ryder Systems began renting out natural gas trucks in California last year and will be expanding that program to Arizona and Michigan.
"At the pump, a gallon of diesel often costs more than twice as much as CNG, on a diesel-gallon-equivalent basis."
The EPA has recently approved retrofit technology that will allow a big rig to run on either diesel or LNG, thus eliminating "refueling anxiety."
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