EPA Tier 4 emissions standards

Cummins Inc. announced Oct. 2, 2015 that the first production 95-liter, 16-cylinder QSK95 engine built to a rail specification has been shipped.
GE Transportation has completed the first production test, which evaluates the performance, emissions and mechanical properties, of its GE Evolution Series Tier 4 engine. This is the first engine to…
With 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…
Amtrak has issued a request for information concerning 15 new Tier 4 diesel-electric locomotives, as well as one diesel switch yard locomotive.
Railroads and locomotive builders are prepared to meet the EPA's tough Tier 4 emissions standards. Meanwhile, LNG has taken center stage as a potential replacement for diesel fuel.
After an absence of 12 years, Electro-Motive Diesel Inc. (a subsidiary of the Progress Rail Services Corp. division of Caterpillar Inc.’s Rail Division) has reentered the passenger locomotive market.

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