GE Marine Diesel Engine Certified EPA Tier 4

By Eric Haun at February 09, 2015 15:33
Filed Under: Diesel Engines, Environmental

Image: GE Marine

GE Marine’s 12V250 marine diesel engine received U.S. EPA Tier 4 Certification, meeting emissions requirements through non-Selective Catalytic Reduction (SCR) technology that requires no urea-based after-treatment.

GE said it is also working towards U.S. EPA Tier 4 and IMO Tier III Certification for additional models and families of its marine engines utilizing the same non-SCR technology, including its 16-cylinder V250 and six- and eight-cylinder L250 marine diesel engine models.

“Achieving this certification validates our unique ability to meet Tier 4 emissions requirements without the disadvantages of after-treatment,” said Afra Gerstenfeld, General Manager of GE Marine. “Our non-SCR solution provides substantial operational benefits over urea-based solutions for the workboat marketplace.”

GE commissioned Jensen Maritime to conduct a study to compare its U.S. EPA Tier 4 and IMO Tier III compliant in-engine, urea-free solution to a competitor’s solution that requires urea based after-treatment. According to the study’s findings, for operation on a typical line-haul tug, GE’s solution takes up about 25% of the engine room space required by the competitive solution, weighs about only 25% of the competitor’s solution, and does not require additional onboard equipment/storage for urea or dockside support infrastructure for urea storage and processing. 

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