A bio-organic composition includes residues of a fatty acid glyceride-containing composition, residues of a first epoxide or glycol, and the residues of a second epoxide. The fatty acid glyceride-containing composition is characterized by the viscosity at room temperature. The first epoxide or glycol and second epoxides are present in a sufficient amount that the room temperature viscosity of the bio-organic composition is lower than the room temperature viscosity of the vegetable oil prior to formulation and/or the first epoxide or glycol and second epoxides are present in a sufficient amount that the pour point of the bio-organic composition is lower than the pour point of the fatty acid glyceride-containing composition prior to formulation.

A lubricating oil composition is described. The composition includes a base oil, a first succinimide dispersant composition comprising a reaction product of a hydrocarbyl succinimide and an aromatic glycidyl ether having a structure: ##STR00001##
wherein R.sub.1 is an aryl or alkaryl group having 4 to 20 carbon atoms, and R.sub.2 and R.sub.3 are independently a hydrogen atom, an alkyl group, or an aryl group; and a second succinimide dispersant.

A lubricating oil composition is described. The composition includes a base oil, a first succinimide dispersant composition comprising a reaction product of a hydrocarbyl succinimide and an aromatic glycidyl ether having a structure: ##STR00001##
wherein R.sub.1 is an aryl or alkaryl group having 4 to 20 carbon atoms, and R.sub.2 and R.sub.3 are independently a hydrogen atom, an alkyl group, or an aryl group; and a second succinimide dispersant.