CNG has about a 30% lower volumetric efficiency than gasoline.
The tank might be heavier but not when you include the fuel.
Also, natural gas runs .6 - .65 the density of air.
Quote:
Originally Posted by Botnst
It's got less energy/mass than gas or diesel. You'd need a bigger tank to go the same distance, taking-up more room and it has to be stronger since it is pressurized, -- greater weight.
I read a brief article about an experimental process that converts woodchips + natural gas into a biodiesel. Anybody else heard o fthat?
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