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Old 03-09-2013, 08:04 PM
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okrp
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CNG As A Diesel Supplement?

I have a thread on here about going to WVO already. Even with diesel approaching 4 dollars a gallon here, I have not made any progress yet on that project.
But I have also found out about adding a CNG tank to my diesel and supplementing my diesel fuel. Has anybody else done this?
What I read was you get a CNG tank added to your truck, it burns approximately 25% CNG to 75% diesel. The claim was you would get about a 25% boost in fuel economy. I get 18.5 miles per gallon right now. That would be a 4.6 miles per gallon boost in economy.
They also claimed I would get a HP boost, not a lot but 50 plus HP boost. More power, less money. Sounds like a good beer.
I can get CNG here for 90 cents a gallon.
The conversion is about 6000 dollars.
If diesel stays 4 dollars a gallon and CNG stays at 90 cents a gallon, I would save about 5 cents a mile. So it would take about 125 thousand miles to pay for the conversion. But I would also get a state tax break for the conversion kit.
So are there any opinions about going with this as an option?