"July marks the 10th anniversary of Wabtec Corporation's Evolution Series Tier 4 - one of the most modern diesel locomotives serving North America and the first freight locomotive to meet the U.S. Environmental Protection Agency's (EPA) Tier 4 emission standards...” (Marybeth Luczak, 2025)
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Luczak, Marybeth. (2025, July 21st) Watch: Wabtec's Evolution Series Tier 4 Marks a Milestone. Available from Railway Age: https://www.railwayage.com/mechanical/locomotives/watch-wabtecs-evolution-series-tier-4-marks-a-milestone/
Published on July 22, 2025