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biodiesel

thumb|Experimental French Régiolis Class train using biodiesel thumb|Space-filling model of ethyl stearate, or stearic acid ethyl ester, an ethyl ester produced from soybean or canola oil and ethanol thumb|Two general pathways for biodiesels from a fat. The process starts with hydrogenation of backbone double bonds. [[Fatty acid methyl esters can then be produced by transesterification. C16 and C18 diesel fuels arise by hydrogenolysis of the saturated fat.]]

AI overview

Biodiesel is a fuel made from natural oils like soybean or canola oil through chemical processes that convert them into compounds suitable for engines. It matters because it can be used to power vehicles and trains, offering a renewable alternative to petroleum-based diesel fuel.

AI-generated from the Wikipedia summary — may contain errors.

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Commons category: Biodiesel
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~71 min read

Article

56 sections

Contents

Blends
Technical standards
Historical background
Properties
Applications
Distribution
Vehicular use and manufacturer acceptance
Railway usage
As a heating oil
Cleaning oil spills
Biodiesel in generators
Effects
Fuel efficiency
Combustion
Emissions
Material compatibility
Production
Production levels
Biodiesel feedstocks
Quantity of feedstocks required
Yield
Efficiency and economic arguments
Energy security
Global biofuel policies
Canada
United States
European Union
United Kingdom
Malaysia
Issues and concerns
Food, land and water vs. fuel
Environmental impact of biodiesel
Greenhouse gas emissions
Pollution
Biodegradation
In aquatic environments
Carbonyl emissions
Mechanical concerns
Engine wear
Fuel viscosity
Engine performance
Exhaust emissions
Low-temperature gelling
Contamination by water
Research
Algal biodiesel
Pongamia
Jatropha
FOG from sewage
Fungi
Biodiesel from used coffee grounds
Biodiesel to hydrogen-cell power
Safflower oil
See also
References
External links

Biodiesel is a renewable biofuel, a form of diesel fuel, derived from biological sources like vegetable oils, animal fats, or recycled greases, and consisting of long-chain fatty acid esters. It is typically made from fats.