Double D batteries
Gas :)
Hydrogen gas provides the highest energy output per unit mass when burned, making it the most energy-dense fuel. It has a high energy-to-weight ratio, which means it can release large amounts of energy when combusted.
the energy between the bonds of the fuel in the engine.
the most familiar form of energy is chemical energy. every human uses chemica energy to digest their food into fuel that gives them energy to move around.
glucose
The sun provides most of the energy for the water cycle to occur.
natural gas
Wind
Food provides you with the fuel, you still need oxygen to turn it into energy.
Corn usually provides the most energy for horses. also Rolled oats.
in its early stages this fossil fuel is a spongy brown material
energy