February 2017 MAINE COASTAL NEWS Page 7. W D M T 4 M Y? As of January, 1st 2017 the EPA has
regulated Commercial Marine emissions to Tier 4 standard for engine ratings above 804 (600kW), brake horsepower for Category 1 and 2 marine propulsion engines in U.S. market. This means that any boat traveling in an ECA (Emissions Control Area) or anything built and produced for U.S. based waterway must comply with an emissions target of 2.0 g/kWh NOx + HC (Nitrogen Oxide and Hydrocarbon), level from Tier 3 which was put in place in 2014 for these same marine categories at an emissions level of 5.8 g/kWh. Every engine manufacturer has the right under the Code of Federal Regulations to wait until October, 1st
2017
before having to produce and or import en- gines and equipment to meet the new EPA Tier 4 regulation. In that 9-month period Tier 3 engines will remain a product of use for new builds, repower, and production for manufacturers. After October, 1st
2017 all
engines previously produced and in the U.S. at Tier 3 levels will be allowed to be sold into new production hulls and repower hulls until they have been purged under law. However, all the engines must be produced with pro- duction build dates before October, 1st
2017
that are Tier 3 production to be allowed to be sold legally into the U.S. market. What does this mean for the consumer
you ask??? This means that the current market options for diesel propulsion power above 804 brake horsepower will be few and the ones that will be available will have emissions after-treatment equipment tied to them to meet the regulated emissions targets. As we have seen over the past 10 years, the industry has created larger and larger Downeast hulls to meet the needs of the fi sherman and the fi shery. The fi shery has changed and the fi sherman need larger
boats more capable of handling higher catch, more equipment to travel further off shore. It is common to see 60% of the boats or more being built in the New England region with horsepower of 800-1200 HP. The demand for this type of power will not likely go away. This will mean that systems such as DEF tanks (Diesel Exhaust Fluid), SCR (Selective Catalytic Reduction), and new maintenance requirements will impact these vessels from installation and application like nothing the industry has seen before. These systems for reducing emissions are not new to the U.S. and other industry, however the applications currently using the emissions reduction equipment operate very diff er- ently and are applied in applications that are “production” intent where the layout is “cookie cutter” so to speak. The boat building industry for commercial lobster fi shing/scallop or shrimp fi shing is anything but “cookie cutter”. The duty cycle for the marine applications we deal with in the New England lobster fi shing industry also are nothing like that of the off -highway and on-highway sectors where the emissions re- duction equipment is mature, but that matu- rity went through various stages of evolution to get to a point where it was reliable and eff ective. None of the application work has been done up to know for applications like the ones in Maine that are all fi berglass and composite materials where this emissions equipment cannot have any sea water go through it, it must be wrapped due to heat generation for emissions conversion, and will require large space close to the engine for coupling and installation requirements for functionality. This will have a large impact on the consumer and on the builders/ installers in a way that they are very unfa- miliar with now. What is even more peculiar
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is that the Recreational Marine industry will not have to comply with Tier 4 emissions in the same horsepower category used for Maine and or New England Downeast style fi berglass/composite lobster boats. The guidance on the regulation is very poor and painted wi th a very broad brush that is one of inexperience and understanding of how the engines function and operate in the two industries. Recreational Marine industry for this same size vessel and horsepower category will remain at Tier 3 levels. The EPA and States have done a very
poor job in educating our marine industry in Maine. If you would like to know more and speak out, please see us at the Maine Fish- erman’s Forum on Saturday afternoon for a Tier 4 marine emissions discussion. The room has not been designated at this time so please look at the event schedule when you arrive. We hope to have state representatives from government and MLA there as well, this should allow them to become familiar with the impact and how the requirements for these specifi c applications are risky for various reasons.
11.0 BTDB Diesel Generator
32 Tioga Way · Marblehead, MA 01945 (781) 631-3282 (800) 343-0480
www.hansenmarine.com
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