b'FOGHORN FOCUS engine loads. An active DPF does this by adding heatCurrently, there arethrough electric heating elements or burning/oxidizing additionaldieselfueltogeneratetheadditionalheata couple engineneeded to burn out the PM.manufacturers and several While the DPF technology is commonplace on road-going diesel engines and stationary generators, it is relatively newDPF manufacturersto the marine segment. It has been used before, but most marine installations do not use them. There are some ma- getting their products rine products that were developed to comply with EuropesCARB Level III verified.Putting power Euro Stage V standards and there are some industrial prod-ucts that are being marinized. Currently, there are a couple enginemanufacturersandseveralDPFmanufacturersContact your enginegetting their products CARB Level III verified. Contactdistributors to find back in the hands your engine distributors to find out what they are doing to comply as there is a wide range of sizes and complexity of equipment needed.out what they are doingTo further complicate the issue, for Tier 4 engines withto comply. of the operatorselective catalytic reduction (SCRs), if the solution is not EPA certified as a package (DPF+SCR), the DPF must be installed after the SCR so that it does not invalidatePassenger Vessels the EPA certification of the engine and SCR package. IfOperating between two points over the most direct waterThe cloud commerce platform the package is certified together, then typically the DPFroute and offering a public service of a type normally at-is installed after engine (maximum exhaust gas tempera- tributed to a bridge or tunnel. built for tours & ferriesture) before the SCR. It has been stated by some DPF manufacturers that when the DPF is installed after theShort Run Passenger FerrySCR, an additional component must be installed, calledRegularly serviced straight line between two points less a diesel oxygen catalyst (DOC), to mitigate the emissionsthan three nautical miles. Multiple stops, half or more are from regenerating the DPF. Just when you thought I wasless than three nautical miles, and the longest single triprocketrez.comdone with acronyms, there are more to come. The infor- length is less than six nautical miles. Vessels that account mationprovidedhereisintentionallyvagueasnondis- for less than 20 percent of the service trips on short run closure agreements are in place with most involved withrouteduringagivencalendaryear,arenotconsidered these solutions.short-run ferries.In some cases, the new CHC regulations require that yourExcursion Vesselsvessel comply with zero emissions and advanced technolo- Avesselthattransportspassengersfordinnercruises; gy (ZEAT) for all propulsion and auxiliary engines. Thisharbor, lake, or river tours; diving, sailing, and parasailing requirement differs between vessel classifications, whichexpeditions; for-hire charters; and whale watching tours.Illcover.However,ZEATmeanseitherzeroemissions from the vessel (battery electric or hydrogen fuel cell), orWe will walk through the regulation and how the different zero emissions-capable hybrid vessels (diesel engines and 30classifications are handled. The new CHC regulations are percent hybrid zero emissions operation). very confusing and hard to read. How does this new regulation apply to you and your ves-There is no table of contents. A proud partner with the Passenger sel? First, we must determine what classification of passen-ger vessel you have. There are three classifications in the Through page 34 are general items andVessel Association since 2015regulations that apply to passenger vessels.definitions of terms. FOGHORN 12'