Biogas produced in landfills contains large amounts of methane (a potent greenhouse gas) and hence requires collection and treatment according to EPA regulations.
Correction for ‘Conversion of landfill gas to liquid fuels through a TriFTS (tri-reforming and Fischer–Tropsch synthesis) process: a feasibility study’ by Xianhui Zhao et al., Sustainable Energy Fuels, 2019, 3, 539–549.