脱だつ化か石せき燃ねん料りょう

• 脱だつ炭たん素そ

  脱炭素 focuses specifically on reducing carbon emissions, while 脱化石燃料 is broader, encompassing the shift away from all fossil fuels regardless of carbon.

• 再さい生せい可か能のうエネルギー

  再生可能エネルギー refers to renewable energy sources themselves, whereas 脱化石燃料 describes the process or policy of moving away from fossil fuels.

Compound of 脱 (だつ, 'de-', 'escape from') + 化石燃料 (かせきねんりょう, 'fossil fuels'). A modern term reflecting environmental policy discourse.