Engine performance curves were obtained for crude, degummed, and degummed-dewaxed sunflower oils and for crude, degummed, and alkali refined cottonseed oils using a single-cylinder, precombustion chamber design diesel engine. Crude oils gave very poor performance and are considered unsuitable for use as alternative diesel fuels. Performance curves for processed sunflower and cottonseed oils were slightly better than for diesel fuel, but increased carbon deposits and lubricating oil fouling were noted. Although processed oils may be acceptable fuels for short-term use, they are not recommended as alternative diesel fuels at this time.

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Fuel shortages, along with dramatic increases in the price of energy, have placed considerable emphasis on the development of new and competitive energy supplies. In irrigated regions, the increased price and threat of curtailed supplies of natural gas have serious economic implications for the farm firm [4, 13]. Agriculture has the potential of replacing part of the energy it uses in the form of agricultural residues. The purpose of this article is to evaluate the use of residues from crop production in Texas as a feasible energy source.

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