Energy utilities prepare to deliver new 2030 climate target 21-12-2020 Picture showing a modern biomethane plant for generating electricity and heat from renewable raw materials. "We think green gases will be a relatively sizeable part of the fully decarbonised energy mix, something in the range of 25%" by 2050, said Camilla Palladino, executive vice president at Italian energy infrastructure company Snam. [Ralf Geithe / Shutterstock]