[Paladin2]

" About 80 percent offer compressed natural gas, for passenger cars and light-duty trucks. Long-haul trucks generally use liquefied natural gas because it is lighter and takes up less space, freeing room for cargo. "

Two different vehicle systems.

[thackney]

Two different vehicle systems

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Yes. There is a push by a couple companies to build out significant LNG refueling on the interstate system. For most, I believe they are fed directly from a high pressure transmission pipeline, rather than a low pressure distribution pipeline. For those stations, the cost is relatively minor to add CNG for lighter duty vehicles.