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Sep 01, 2023

News photo: Tier 4 unit debuts for North Carolina

Locomotive is first for NC DOT to use Blended After Treatment System Get the

Locomotive is first for NC DOT to use Blended After Treatment System

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RALEIGH, N.C. — The North Carolina Department of Transportation has begun testing a locomotive equipped with a Tier 4 emissions control system. On Tuesday, Feb. 28, state-supported Piedmont train No. 75 included three locomotives, with one, No. 1859, equipped with Rail Propulsion Systems’ Selective Catalytic Reduction technology. The train departed Raleigh for Charlotte with 1859 as the second unit.

The system, referred to as "Blended After Treatment System," or BATS, reduces emissions from both the prime mover and the head-end power generator.

Locomotive is first for NC DOT to use Blended After Treatment System