Grass-to-gas plant could be UK’s answer to fracking, says Ecotricity

A plant that turns grass into gas could be Britain’s answer to fracking, according to its operators. The Guardian. 21 April 2015.

https://www.theguardian.com/environment/2015/apr/20/ecotricity-offers-anaerobic-digestion-of-grass-as-answer-to-fracking