This article discusses the various ways of improving the performance of diesel engines. A Wisconsin engineer is making use of computation methods that mimic natural selection—or, in this case, maybe eugenics—to improve the performance of diesel engines. Peter Senecal, a partner with Convergent Thinking in Madison, WI, is using computational fluid dynamics (CFD) advanced visualization, and a selection method using genetic algorithms aimed at reducing engine emissions and enhancing fuel efficiency. He has been looking ahead to 2007, when tighter vehicle emissions requirements take effect. Senecal and two of his partners, Keith Richards and Eric Pomraning, are continuing the research into cleaner and more efficient engines. Findings have helped to optimize engine design for increased efficiency and lower emissions—two areas of great importance to engine manufacturers and environmentalists.

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