SCR

Tenneco introduces large engine SCR system

DECEMBER 4, 2014 — Tenneco (NYSE: TEN) has introduced a complete urea dosing control, fluid handling and catalyst solution for selective catalytic reduction (SCR) aftertreatment, enabling large engines to meet EPA Tier

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MAN four stroke with SCR gets Tier III certificate

SEPTEMBER 22, 2014 —  DNV-GL has awarded MAN Diesel & Turbo has been awarded a Tier III-compatibility certificate for the MAN 8L21/31 four-stroke engine with a retrofitted SCR (Selective Catalytic Reduction) system