<unk>  refers to a non-petroleum-based diesel fuel consisting of short chain alkyl (methyl or ethyl) esters, made by transesterification of vegetable oils or animal fats, which can be used (alone, or blended with conventional petrodiesel) in unmodified diesel-engine vehicles.<unk>  is distinguished from the straight vegetable oil (SVO) (aka "waste vegetable oil", "WVO",  "unwashed<unk> ", "pure plant oil", "PPO") used (alone, or blended) as fuels in some converted diesel vehicles.<unk> " is standardized as mono-alkyl ester and other kinds of diesel-grade fuels of biological origin are not included.
Biodiesel
Carbide
Oxamyl
Dichloroacetic acid
Oxoacid
Diol
Colloid
Acyl