An evaluation of the policy and techno-economic factors affecting the potential for biogas upgrading for transport fuel use in the UK

► A technical summary of commercially available biogas upgrading technologies is made. ► An assessment of energetic, environmental and economic performance is included. ► Proposed financial subsidies for biomethane transport fuel are investigated. ► Biomethane can be financially competitive with liquid biofuels. ► The enhanced environmental performance of biomethane should be reflected by the level of subsidy.