Researchers at the Dept. of Energy's (DOE) Pacific Northwest National Laboratory have developed a new technology to reduce oxides of nitrogen (NOx) emissions from diesel engines by at least half. The research, which began several years ago as part of the United States Council for Automotive Research's (USCAR) low-emissions technologies research, developed the technology that uses plasma reaction with a zeolite catalyst to convert NOx to nitrogen. Investigators at the Richland, WA, lab ...

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