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Biomass is organic material made from plants and animals. Biomass contains stored energy from the sun. Some examples of biomass fuels are wood, crops, manure, and some garbage.
Biomass is a renewable energy source because we can always grow more trees and crops, and waste will always exist.

en.wikipedia.org/wiki/Biodiesel

Biodiesel refers to a vegetable oil- or animal fat-based diesel fuel consisting of long-chain alkyl (methyl, ethyl, or propyl) esters. Biodiesel is typically made by ...

www.afdc.energy.gov/fuels/biodiesel.html

May 18, 2017 ... Biodiesel is a domestically produced, renewable fuel that can be manufactured from vegetable oils, animal fats, or recycled restaurant grease ...

biodiesel.org

Biodiesel stakeholders: Tell Congress how important the biodiesel industry is to you. We encourage all stakeholders to be part of our biodiesel letter writing ...

biodiesel.org/what-is-biodiesel/biodiesel-basics

What is biodiesel? Biodiesel is a renewable, clean-burning diesel replacement that is reducing U.S. dependence on foreign petroleum, creating jobs and ...

www.fueleconomy.gov/feg/biodiesel.shtml

Biodiesel. Biodiesel is diesel fuel made from vegetable oils, animal fats, or recycled restaurant greases. It's safe, biodegradable, and produces less air pollutants ...

www.eia.gov/energyexplained/?page=biofuel_biodiesel_home

Feb 7, 2017 ... Biodiesel is a renewable fuel that can be used instead of the diesel fuel made from petroleum. Biodiesel can be made from vegetable oils and ...

www.biodiesel.com/biodiesel/benefits

The role of the biodiesel industry is not to replace petroleum diesel, but to help create a balanced energy policy with the most benefit to the United States.

www.biodiesel.com/biodiesel/what-is-biodiesel

Biodiesel is made through a chemical process which converts oils and fats of natural origin into fatty acid methyl esters (FAME). Biodiesel IS NOT vegetable oil.

auto.howstuffworks.com/fuel-efficiency/alternative-fuels/biodiesel.htm

Biodiesel turns biodegradable fats and oils into an alternative fuel for your car. Learn about biodiesel components, biofuel history and biodiesel pros and cons.