News Wire: Tennessee locomotive maker earns Tier 4 certifications

KNOXVILLE, Tenn. — Knoxville Locomotive Works, an original equipment manufacturer of switcher and road-switcher locomotives, was recently awarded EPA Tier 4 emission certifications for its SE Series four- and six-axle locomotive designs. The Ti…

http://trn.trains.com/news/news-wire/2017/08/22-knoxville-locomotive