Cummins says it’s on top of Tier 4
Written by William C. Vantuono, Editor-in-ChiefWith U.S. Environmental Protection Agency (EPA) Tier 4 emissions regulations taking effect Jan. 1, 2015, Cummins Inc. says it’s well-prepared, with more than 100 engine installations on order for passenger locomotives, diesel multiple units (DMUs), and switcher locomotives in North America.