Ewing, Tom
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EPA Tier 4: Difficult and Contentious, 12 Years and Counting
When it comes to complying with EPA’s Tier 4 emissions regulations, there’s no shortage of creativity emerging from America’s maritime engineering firms. Companies such as Hug Engineering are offering flexible, customized aftertreatment-based control systems that can assemble almost in modular like fashion. Other companies, such as ABB Group, offer battery-hybrid power sources to complement combustion power and avoid threshold diesel emissions.
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IMO2020: Low Sulfur Fuel Potential Pitfalls
(This is excerpted from Maritime Reporter & Engineering News' January 2020 "The Path to Zero" column.)Are the world’s ships’ engines ready for IMO compliant very low sulfur fuel? That’s a wide open question as ship owners step to the end of the preparatory gang-plank on January 1, 2020 when 0.5% very low sulfur distillate fuels (VLSF) have to replace residual heavy fuel oil (HFO) containing 3.5% sulfur.You…
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NOx Control: Should Certain Vessels Get a Break?
When it comes to the EPA’s recent proposed delay to implementation of Tier 4 marine diesel engines ‘in certain high-speed commercial vessels,’ where you stand probably depends on where you sit.On September 6, the U.S. Environmental Protection agency (EPA) proposed to delay implementation of Tier 4 marine diesel engines “in certain high-speed commercial vessels.” Specifically; EPA mentions three kinds of vessels: lobster boats…
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The Global 0.50% Sulfur Cap: 30 months and counting down …
Industry frets about the coming deadline. Shipping desperately wants to be ready, but will global shore-based infrastructure and refining capacity match the demand that is sure to come? And … are regulators listening to industry’s concerns?In early June, the U.S. Coast Guard (USCG) and U.S. Environmental Protection Agency (EPA) held a public workshop in Washington to help the agencies prepare for the January 1…