Global contribution of fossil fuels in total energy consumption 2021, by sector
The global transportation sector has the highest fossil fuel consumption share. About 95 percent of total energy used by the transportation sector in 2021 was sourced from fossil fuels. Meanwhile, 67 percent of fuel consumed in the power sector was derived from fossil energy. In absolute numbers, the power sector is the largest consumer of fossil fuels worldwide and therefore accounts for the biggest share of greenhouse gas emissions.