an additive includes a calcium source , a suspension agent , a castor oil , and optionally a castor supplement / replacement . in many embodiments , polyalphaolefin is included . the preferred suspension agents are fatty acid esters , triglycerides or other , with a pour point / melt point from about 5 degrees c . to about 50 degrees c . suspension agents of particular interest are : 1 ) polymerized ester of ricinoleic acid of 12 - hydroxy oleic acid ), 2 ) polymerized ester of 12 - hydroxy stearic acid , 3 ) waxy esters of ricinoleic acid , 4 ) palm oil , 5 ) palm - olein , 6 ) coconut oil , and 7 ) jojoba oil . the waxy esters may result from polymerization of shorter carboxylic acid monomers . the additive may be used in fuels to improve combustion engine performance in terms of efficiency and emissions . polyalphaolefin may be important , especially in additive formulations for diesel fuels , for nox reduction . the additive may be used in lubricants that improve performance of both ferrous and non - ferrous metal components of engines , guns , or other machinery . the additive also may be used in cutting fluids for machining and fabrication . used in conjunction with other additives , embodiments of the invention may be used to lower pour points in oils , esters and other similar products .