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GE Delivers First EPA Tier 4 Emissions-Compliant Marine Diesel Engines

GE logoGE Transportation has announced the first delivery of its latest marine diesel engines to GE Marine distributor Cummins Mid-South.

The new engines meet EPA Tier 4 and International Maritime Organization Tier III emissions standards, reducing nitrous oxide emissions by 70 percent when compared to EPA Tier 2 or IMO Tier II.

Cummins is integrating the five 12V250 engines into gensets designed to power Oceaneering’s new vessel, MSV Ocean Evolution, which is expected to launch in early 2016. Oceaneering is a global oilfield provider of engineered services and products primarily to the offshore oil and gas industry with a focus on deep-water applications.

GE Marine’s engine technology eliminates the need for a selective catalytic reduction system for exhaust gas after-treatment and for storing or using urea aboard a vessel, the company says. The result preserves valuable cargo and tank space.

A study to be published in early 2015 commissioned by GE Marine from Jensen Maritime, a naval engineering and architectural firm, compared GE Marine’s in-engine Tier 4 solution to a competitor’s solution requiring urea after-treatment on a typical line-haul tug. A few of the highlights cited in the study include:

  • GE Marine provides a less complex system with no additional onboard equipment or storage for urea as well as no dockside support infrastructure for urea storage and processing.
  • GE Marine’s engine takes up about only 25 percent of the engine room space required by the competitive solution.
  • GE Marine’s engine weighs about only 25 percent of the competitor’s solution.

The study also noted GE Marine’s engine advantages in fuel savings and operational capability due to lower exhaust emissions at ambient temperatures.

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