Tennessee to build $2.25m biogas plant

A solid waste company is installing a $2.25 million (£1.46m) biomass plant in Tennessee. It is expected to convert more than 30 tons of waste a day into thermal energy, with 60% of it being made into compost. Around 90% of the biomass will become fuel gas and the remaining residue is a charcoal-like biochar, which will be […]