[Stoves] Biogas backpack

[ajheggie at gmail.com]

On Friday 13 January 2012 07:23:34 Richard Stanley wrote:
> Not to be facetious about the bag lady in the prior post, but there has
> to be some practical alternative. Biogas is said to be too expensive to
> compress. The comparison was made to LPG for transportation. 

LPG is often favoured as a high energy density fuel and compared with 
gasoline, diesel, natural gas etc, from what I can see it is never better 
than half as good in terms of energy density because the containment 
always weighs more than the fuel.

AJH