selective catalytic reduction

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Tenneco SCR gains key ABS certifications

JULY 14, 2015 — Tenneco (NYSE: TEN), a global supplier of clean air after-treatment technologies, has been granted three product design assessment (PDA) certificates by ABS for its new selective catalytic reduction

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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