What's the difference between fuel and energy?

fuel 是燃料,是燃燒是用的材料,如火水,石油,天然氣,....
energy 是能量,是物品推動的力量,世界生命的形態,粒子震動的情怳,可以轉換,能如由電能轉動能等等由電子帶動的能量轉做電池的field(電磁波)。
energy 也可以理解為波field, 電磁波electromagnetic field,光波light wave,電波elctric field等等

能量,中國中解為氣,繁衍萬物之能力

Fuel is one kind of non-renewable energy resources. Coal, oil and gas are fuels. They have been formed from the organic remains of prehistoric plants and animals.

Energy can be renewable or non-renewable. Non-renewable Energy Resources are ones that will run out such as fuel, nuclear. Most of our energy comes from the sun which is renewable energy.

the details can be found in the reference website.