Matt-

And to play the green card, how efficient is your compressor, your power
lines and your coal fired generators etc. Also a real B if you run out of
air and air drives tend to be very noisy.

John

John
I wondered about that; as well as my compressor only goes to 800 - 1,000
psi. I wonder how they get the 4,500 psi, bloody BIG compressor I suppose.
One thing which is a bonus here in Aussie, we don't have to pay for air (at
the servo) unlike you chaps in the USA. It might cost as much to fill with
air, using this system it may be you pay for gas in the US. Mind you we pay
more for the fuel. We have been paying $1.50 ( Aust) a Litre, that's about
$1.30 US a Litre  There's 3.8 Litres to a US Gallons to so that's $4.94 a
gallon.
Are you anywhere near that yet?
George (down under)

Filled up today at $1.38 CDN per litre so I guess we're a little more. We
don't pay for air in Canada either and of course it's not 4000 psi.

John