Definition of Alternative Fuels

What Are Alternative Fuels?


Alternative fuels, also known as advanced fuels or non-conventional fuels, are substances that are used in place of conventional fuels, such as fossil fuels (oil, coal, propane, natural gas) and nuclear materials (uranium). Any fuel that falls within the “alternative category” is derived from renewable sources and is more environmentally friendly. Here are just a few alternative fuel options:

  • Hydrogen
  • Biofuels and other liquid hydrocarbons derived from renewable biomass (solid, liquid, and gas) such as feedstock, wood and plants, vegetable oils, animal fats, waste gas (such as hydrogen), sugarcane and corn
  • Biogas which is often derived from municipal solid waste (MSW) facilities and agricultural or human waste processing facilities in the form of methane gas
  • Natural gas which is derived from non-fossil fuel sources
  • Chemically stored electricity (such as in batteries or fuel cells)
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