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Biodiesel can be used as a pure fuel, or blended with petroleum-derived diesel (petrodiesel) in any percentage. Such blends are referred to as BXX wherein XX stands for the percentage by volume of biodiesel in the blend.
B20—a blend of 20% by volume ____________: 80% by volume ________________— has demonstrated significant environmental benefits (fewer harmful emissions) with a minimum increase in cost.


Sagot :

A renewable substitute for diesel fuel made from petroleum is biodiesel.

Describe biodiesel ?

  • A renewable substitute for diesel fuel made from petroleum is biodiesel (hereafter referred to as "petrodiesel").
  • A lye catalyst, methyl or ethyl alcohol, and the feedstock oil (often soybean oil in the United States) are combined to create biodiesel (sodium hydroxide or potassium hydroxide).
  • The glycerin is separated from the fatty acid molecules of the feedstock oil during the transesterification process, and each fatty acid molecule then joins an alcohol molecule.
  • Biodiesel is a domestic, renewable fuel for diesel engines that complies with ASTM D 6751 specifications and is made from natural oils like soybean oil.
  • To ensure proper performance, fuel-grade biodiesel must be produced in accordance with ASTM D6751, which is a strict industry standard.

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