It controls your metabolism, the speed at which your body converts fuel into energy.

The idea of fuel cells, which convert liquid fuel into electricity through a chemical reaction rather than combustion, has been around for more than 100 years.

NO combustion process for converting fuel to forward motion is perfect.

As you can see, an engine has a number of systems that help it do its job of converting fuel into motion.

Fire releases CO and converts fuel into ash and tar.

Since utilities convert fuel to current much more efficiently than cars do, energy use and pollution would fall, he said.

Converting fossil fuel to electrical energy before producing kinetic energy will require extra steps each of which will lead to wasted energy.

One of the most important factors for a particular plant is how efficiently it can convert fuel into electricity.

They say it is possible that North Korea ran into difficulty in the chemical process of converting spent fuel into bomb material.

In engineering, a prime mover is an engine that converts fuel to useful work.