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 […]
News photo: Tier 4 unit debuts for North Carolina
