Exhaust and aftertreatment on the Achates ULNOx heavy-duty opposed-piston diesel
Green Car Congress
DECEMBER 28, 2020
A key element of the achievement is the low engine-out NO x from the opposed-piston engine, which reduced the requirements for the aftertreatment system (ATS). In that mode, Achates was able to reduce NO x below the original target and increase exhaust temperatures further. The OP engine operates at nearly ideal temperature range.
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