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Nonsense, this isn't new. CNG vehicles..sorry I wasn't clear in that I was speaking of home refilling stations not the car itself... None of that equipment is needed for either system. I'm saying what city code might require for safety as per handling quantities of flammable gas in a residential community...The flow rate is not significant compared to your furnace and stove. would need to research that because most homes now only have 1/2 PSI systems-so compressing 30 gallons of LNG could be a large increase in demand....You are still imagining dangers that do not reasonably exist ....I disagree these are common problems for people who handle this kind of fuels...

For those of us who are challenged by applied mathematics (calculating proof strength of distillates marks the outer boundary of my skills), what kind of volume will a 3/4 inch diameter line flow at 1/2 lb. of pressure over, say, an hour? What's the energy content of that volume?

Your anxious student,

Mr. Lucky

I'm saying what city code might require for safety as per handling quantities of flammable gas in a residential community.

Home refueling compressors have been installed in California and other locations for 8 years at least. It isn't new. Granted that doesn't mean a city may add needless code requirements; that wouldn't be a first.

http://www.thefreelibrary.com/Honda+Begins+Limited+Retail+Sales+of+Natural+Gas-Powered+Civic+GX...-a0131787481

The flow rate is not significant compared to your furnace and stove. would need to research that because most homes now only have 1/2 PSI systems-so compressing 30 gallons of LNG could be a large increase in demand.

It isn't LNG, it is CNG. The fill rate is slow, overnight, not like a commercial unit. 1.2 standard cubic meters per hour or 0.59 cubic feet per minute (atmospheric pressure).

http://www.brcfuelmaker.it/phill-domestico-prodotto-brc-fuel-maker.aspx

I disagree these are common problems for people who handle this kind of fuels...

I've been a design engineer working commercial and industrial facilities with compressed natural gas and other petroleum and petrochemical facilities for a few decades. This isn't new and untested technology.