Mike, In the US, propane and liquid petroleum are sold by mass (temperature independent), not by volume (depends on temperature). Hydrogen will probably continue to be sold as a compressed gas, unless better solvents of H are found. Some hydrogen fuel-cell compressed-gas automobiles are already on the market.
Gene. > On Apr 19, 2014, at 1:20 PM, Michael Payne <metricmik...@gmail.com> wrote: > > I’ve no idea Gene, it’s not something they show, I’m sure they have similar > compressed natural gas dispensers in the US, I wonder what units they use on > those? Wikipedia http://en.wikipedia.org/wiki/Compressed_natural_gas states > 20-25 MPa ambient temperature. > > Mike Payne > > On 18 Apr 2014, at 12:30, mechtly, eugene a <mech...@illinois.edu> wrote: > >> At what pressure and temperature, Mike? >> EAM >> >> On Apr 18, 2014, at 8:42 AM, Michael Payne <metricmik...@gmail.com> wrote: >> >>> This is the pump for compressed natural gas, not sure which type but most >>> taxi’s in China run on the stuff which is sold by the cubic metre. >>> >>> Any non Chinese can understand this because it uses international symbols. >>> >>> Mike Payne >>> >>>> >>>> >>>> <photo.JPG> >>>> >>>> >>>> Sent from Mike's iPhone >>>> >>> >> > _______________________________________________ USMA mailing list USMA@colostate.edu https://lists.colostate.edu/cgi-bin/mailman/listinfo/usma
