dieselbiodiesel

Dieselbiodiesel is a renewable diesel fuel intended for use in diesel engines. It typically consists of fatty acid methyl esters (FAME) produced by transesterification of triglycerides from vegetable oils, animal fats, or reclaimed greases with methanol (or ethanol).

Production yields glycerol as a byproduct and can be produced from various feedstocks including rapeseed, soybean, palm oil, palm kernel oil, used cooking oil, and tallow. Feedstock choice influences sustainability and emissions. The process uses base or acid catalysts; methanol is common.

Usage of dieselbiodiesel includes its use as B100 or in blends with petroleum diesel (e.g., B5, B20). Most modern diesel engines can operate on blends; older vehicles or certain seals may require compatibility checks. Biodiesel can improve lubricity and reduce sulfur content, but has different cold flow properties and solvent effects.

Environmental impacts are generally favorable in life-cycle terms, with lower net greenhouse gas emissions compared with petroleum diesel, especially when waste oils are used, though results vary by feedstock. Biodiesel tends to reduce particulate matter and some pollutants; NOx emissions can increase with some blends.

Standards govern biodiesel quality, including ASTM D6751 in the United States and EN 14214 in Europe. Blend stock standards include ASTM D7467 for biodiesel blends (e.g., B6–B20).

Limitations and challenges include storage stability, oxidation, and cold-weather performance; biodiesel can affect elastomers and gaskets in some systems; there are concerns about feedstock competition with food supplies; price and feedstock volatility, as well as infrastructure and certification requirements, can influence adoption.