Chemical fuel | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-31

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Fuel


00:01:20 1 History
00:03:09 2 Chemical
00:03:54 2.1 Solid fuel
00:05:21 2.2 Liquid fuels
00:07:40 2.3 Fuel gas
00:08:55 2.4 Biofuels
00:10:15 2.5 Fossil fuels
00:13:38 2.6 Energy
00:14:10 3 Nuclear
00:16:17 3.1 Fission
00:17:11 3.2 Fusion
00:19:01 4 World trade
00:19:19 5 Liquid fuels for transportation
00:20:06 6 See also



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SUMMARY
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A fuel is any material that can be made to react with other substances so that it releases  energy as heat energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but has since also been applied to other sources of heat energy such as nuclear energy (via nuclear fission and  nuclear fusion).
The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine. Other times the heat itself is valued for warmth, cooking, or industrial processes, as well as the illumination that comes with combustion. Fuels are also used in the cells of organisms in a process known as cellular respiration, where organic molecules are oxidized to release usable energy. Hydrocarbons and related oxygen-containing molecules are by far the most common source of fuel used by humans, but other substances, including radioactive metals, are also utilized.
Fuels are contrasted with other substances or devices storing potential energy, such as those that directly release electrical energy (such as batteries and capacitors) or mechanical energy (such as flywheels, springs, compressed air, or water in a reservoir).