Fuel refers to a substance that is burned or used to generate energy, typically in engines or power plants. It can also refer more broadly to any source of energy, such as food for humans.
Usage examples
The car requires a full tank of fuel to start the journey.
The rocket needs a powerful fuel to propel it into space.
The factory purchased a large amount of fuel to run its machinery.
The campsite had a designated area for storing fuel for the bonfire.
Airlines often invest in fuel-efficient aircraft to minimize operational costs.
The truck drivers stopped at a gas station to fill up their tanks with fuel.
Renewable energy sources such as wind and solar power are alternative fuels.
The government implemented policies to encourage the use of clean fuels for a greener environment.
The pilot checked the fuel level before taking off in order to ensure a safe flight.
This is not a strategy for a more efficient fossil fuel economy. (mcdonough.com)
In other words, in this situation, we trade some wear and tear and loss of fuel economy in exchange for protecting the braking system. (mechanics.stackexchange.com)
A sugar - burner relies on a short - lived source of fuel for energy. (mariamindbodyhealth.com)