Texas Environmental Research Consortium
Environmental Improvement Through Research
 
Project N-023
Development of Environmental Solutions Worldwide XTRM Cat™ to Reduce Diesel NOx Emissions from Marine Engines

Sub-Grantees:ESW America, Inc.

ESW is proposing to further develop our XTRM Cat™ after treatment device for marine engines to exceed Tier 1, and provide near Tier 2 NOx emission requirements for marine diesel engines. This technology has undergone significant engineering design and testing to date to achieve approximately 30 percent NOx emission reductions as compared to the Tier 0 standard.

Further engineering and refinement for durability and emission reduction optimization is required towards meeting the long term goal of obtaining EPA certification as a NOx emission reduction control device. Certification will provide incentive to manufacturers, parts suppliers and operators to incorporate this technology as a means of achieving significant NOx emission reductions. In addition, the technology offers the benefit of being able to use existing pre-Tier 0 injectors without engine modifications (e.g., timing). Over a five-year life, it is anticipated that the capital cost will be approximately equal to that of a Tier 0 rebuild kit, providing the operator with a cleaner than required engine and fuel savings for no additional cost, maximizing cost-effectiveness. The system is also backwards compatible with Tier 0 rebuild kits so that if ever necessary, the engine could be returned to Tier 0 compliance.

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