Page 37: of Marine News Magazine (March 2020)

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EMISSIONS COMPLIANCE © Wimbledon / Adobe Stock

EPA was counting on vessel design changes and techno- logical advancements to be market ready by 2017. EPA al- lowed that development time to resolve the “packaging” is- sues (EPA’s term) that stymied a quicker phase-in in 2008;

EPA knew that application and installation of Tier 4 after- treatment was still some years off. Ten years later, though, the “packaging” problems remained. “(EPA’s) decade-old assumption of how the market would respond has proven to be incorrect,” is the way Robert J. Lawler, Jr., President of the Passenger Vessel Association summed up the Tier 4 state of affairs in comments to EPA.

EPA is targeting summer 2020 to issue a ? nal action on its proposal to delay.

Hug Engineering’s approach to Tier 4 compliance il- lustrates how engineers are seeking maximum ? exibility regarding materials and space. This kind of advance is im- portant for vessel owners seeking to repower. You may not have been able to ? t a Tier 4 system in your vessel ? ve years www.marinelink.com