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- 1Electrification means the world will need less energy●Electrification efficiency: The world will need less energy after the transition
Hannah Ritchie argues that as the world electrifies transport and heating, overall energy demand will actually fall. Electric motors and heat pumps are far more efficient than combustion engines and gas boilers, which waste most of their fuel as heat, so replacing fossil fuels with electricity could cut total primary energy needs even as living standards rise.