THE QUANTITY of biomethane being injected into the UK's gas grid is expected to have more than quadrupled by the end of 2014. This is according to data compiled by the Anaerobic Digestion and Bioresources Association (ADBA). Having analysed information shared by the UK's four Gas Distribution Networks, ADBA's results show that the number of biomethane upgrading plants has doubled each year since 2011.
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