Crude oil is also the source of jet fuel for airlines. Jet fuel allows us to move passengers and freight around the world in a fast and efficient manner. Jet fuel has helped to shrink the earth, visit each other, and become friends with people all over the world. Residual fuel oil is used for boiler fuel to power industrial plants. These boilers produce steam, heat, and electricity for use in manufacturing processes.
Residual fuel is also use as bunker fuel in large ocean-going tankers.
Not only does crude oil provide the fuels that power engines it also produces the lubricants that reduce friction and the wear on the engine parts. Lubricants are used in car and truck motors, airplane engines, railroad engines, and turbines for power plants. Lubricants are also used to make salves, ointments, and cosmetics. In addition to supplying the fuel used to transport people and products, crude oil also provides the asphalt to pave roads. Petroleum coke from crude oil is used to make electrodes to produce aluminum and as a raw material to manufacture steel.