IEA (2023), Role of low-emission fuels in global gaseous final energy consumption in the Net Zero Scenario, 2015-2030, IEA, Paris https://www.iea.org/data-and-statistics/charts/role-of-low-emission-fuels-in-global-gaseous-final-energy-consumption-in-the-net-zero-scenario-2015-2030, Licence: CC BY 4.0