[Digestion] PE-CNG and CNG

[Rob Williams]

Biomethane.

The term is gaining usage to mean, generally, upgraded biogas (upgraded to 
'nearly'  pure methane) for injection into natural gas pipeline systems 
and/or vehicle fuel (CNG or LNG applications).

Google "biomethane"

At 08:59 AM 9/8/2007, you wrote:


>I'm writing a grant for our biogas bus project and
>wanted to get the group's opinion on my use of the
>term PE-CNG for Present Era Compressed Natural Gas to
>distinguish compressed biogas from the already
>accepted term Compressed Natural Gas (CNG), or field
>gas, a fossil fuel. Let me know if this eliminates or
>adds to confusion. One can have a CNG bus or a PE-CNG
>bus. PE-CNG being biogas from any type of
>manufacturing process, such as landfill gas, sewer gas
>or digester gas.
>
>If someone has seen a better term in the biogas
>technology literature, I'd gladly use it---the field
>needs all the continuity it can get---or could let me
>know if this term violates scientific convention.
>
>Warren Weisman
>USA
>
>
>
>
>
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