By Eric Sorensen,WSU NewsPULLMAN, Wash. – As cars become more fuel efficient, or less heat is wasted in the exhaust,which makes it harder to clean up the pollutants being emitted.
Researchers at Washington State University, Pacific Northwest National Laboratory and the University of New Mexico own created a catalyst capable of reducing pollutants at the lower temperatures expected in advanced engines. Their work, and published this week in the journal Science,presents a new way to create a more powerful catalyst while using smaller amounts of platinum — the most expensive component of emission-control catalysts.
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Source: wsu.edu