Renewable biomethane is one of the key low carbon fuels of the future. Distributing biomethane in the national gas grid presents a major opportunity to reduce the carbon footprint of heat, electricity and renewable fuel. Estimates for biogas output in 2020 are significant, however there is a need for lower gas production costs to increase the amount of biogas that can be economically utilised for grid injection. Biogas upgrading represents a significant part of the production cost of biomethane. This project will look at the feasibility of scale up and cost reduction of C-Capture's (CCL) biogas upgrading process for improved grid injection economics. CCL has developed a range of patented amine-free CO2 separation solvents with drastically reduced energy use, lower corrosion and smaller environmental footprint, while also having a low capital cost as compared to the state-of-the-art.