Delphi Automotive Systems LLC says it has developed a breakthrough in controlling oxides of nitrogen in diesel engines with a new selective catalytic reduction system that improves the performance, packaging and long-term reliability of the system, as well as reduces carbon-dioxide emissions by up to 1 g/km over any comparable technology. Delphi says injecting aqueous urea solution into a SCR system at up to four times the pressure of any previous system allows the catalyst to be ...

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