1. Wagner LE, Clark SJ, Schrock MD, Pienaar PO. Soybean oil esters as alternative diesel fuels. SAE Paper No. 841385. Warrendale, PA: SAE; 1984.
2. Fosseen D, Goetz W. Evaluation of methyl soyate/diesel blend in a DDC 6V-92TA engine: optimization of NOx emissions. Fosseen manufacturing and development. Radcliffe, IA;1993 [Report prepared for National SoyDiesel Development Board, Jefferson City, MO].
3. Comparison of diesel engine performance and emissions from neat and transesterified vegetable oils;Geyer;Transactions of ASAE,1984
4. Diesel fuel derived from vegetable oils II: emission tests using rape oil methyl ester;Mittelbach;Energy Agriculture,1985
5. Diesel fuel derived from vegetable oils, III. Emission tests using methyl esters of used frying oil;Mittelbach;Journal of American Oil Chemist’s Society,1988