Evaluation of Castor and Lesquerella Oil Derivatives as Additives in
Biodiesel and Ultralow Sulfur Diesel Fuels†
Bryan R.
Moser,* Steven C.
Cermak, and Terry A.
Isbell
United States Department of Agriculture, Agricultural Research SerVice, National...
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Evaluation of Castor and Lesquerella Oil Derivatives as Additives in
Biodiesel and Ultralow Sulfur Diesel Fuels†
Bryan R.
Moser,* Steven C.
Cermak, and Terry A.
Isbell
United States Department of Agriculture, Agricultural Research SerVice, National Center for Agricultural
Utilization Research, 1815 North UniVersity Street, Peoria, Illinois 61604
ReceiVed October 23, 2007.
ReVised Manuscript ReceiVed December 11, 2007
The use of petroleum-derived additives is ubiquitous in fuels production, including biodiesel (BD) and ultralow
sulfur diesel (ULSD) fuels.
Development and employment of domestically derived, biodegradable, renewable,
and nontoxic additives is an attractive goal.
As such, estolides (1, 2) and 2-ethylhexyl esters (3, 4) derived
from castor and lesquerella oils, due to their excellent low temperature, lubrication, and oxidation stability
properties, were investigated as potential fuel additives in soybean oil methyl esters (SME), palm oil methyl
esters (PME), and ULSD.
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