SGH2 Energy – a Washington DC-based waste-to-hydrogen start-up – has become the supplier in the world’s largest ‘green hydrogen’ offtake agreement, with a deal to sell 3,850 tons of carbon negative hydrogen to refueling stations across southern California. Under a ten-year contract, SGH2 will supply the hydrogen annually to two of California’s largest owners and operators of hydrogen refueling stations, for use at 90 stations, which are being rolled out across the state. The hydrogen will be produced from biogenic waste and biomass at the company’s planned production facility in the City of Lancaster north of Los Angeles, which will primarily use recycled wastepaper and recycled water. Set to break ground in December this year, this plasma-enhanced waste gasification plant…