abstract |
This invention provides stabilized biodiesels comprising (1) biodiesel, such as fatty acid methyl ester (FAME), (2) mono- or bis-hindered phenolic derived from 2,6-di-tert- butylphenol, and (3) N,N'-di-substituted para-phenylene diamine. Also methods of stabilizing biodiesel are provided involving adding (2) and (3) to (1). |