The IEA recently convened a workshop on sustainable fuels, bringing together more than 80 experts from governments, industry, international organizations and civil society to discuss how to support their adoption around the world. The event on 29 April, which was hosted in collaboration with Brazil’s COP30 Presidency, underscored the critical importance of establishing a global level of ambition for the deployment of sustainable fuels and the need to seek international alignment across carbon accounting frameworks. Sustainable fuels, such as liquid biofuels, biogases, hydrogen and hydrogen-based fuels, complement the electrification of the energy sector and energy efficiency measures. They help reduce emissions in sectors that are hard to abate while also supporting energy diversification, security and economic development opportunities. (....)