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There seems to be a few going up now.
Ecotricity announced (18 Nov 2016) that they're planning to build a large one at Sparsholt Agricultural College in Hampshire | www.theguardian.com/environment/2016/nov/18/could-gas-from-grass-rival-fracking-to-heat-uk-homes
cut the cows out and just feed the grass to AD and produce gas for heating. ban fracking and import of gas.
There seems to be a few going up now.
Ecotricity announced (18 Nov 2016) that they're planning to build a large one at Sparsholt Agricultural College in Hampshire | www.theguardian.com/environment/2016/nov/18/could-gas-from-grass-rival-fracking-to-heat-uk-homes
cut the cows out and just feed the grass to AD and produce gas for heating. ban fracking and import of gas.