However, the viability of using manure digesters to feed hydrogen fuel cells for powering the grid from the farm - that has already been demonstrated as viable: http://hometownsource.com/2005/F.../ 14farmers.html

The effluent byproducts from the digester include water and relatively good organic fertilizer. The fuel cell releases water vapor.

That approach sounds much more reasonable - and less costly to transport - than synthetic petrol generation.
Paco NATHAN | 07.09.05 - 1:05 am | #