Fjording ahead of IMO Tier III regulations
Volvo Penta's IMO Tier III solution is on trial with Norwegian ferry company Rodne ahead of IMO Tier III regulations coming into force in 2021
Norwegian ferry company Rodne is field testing Volvo Penta’s D13-IPS1050 propulsion package in its passenger vessel Rygeroy; the catamaran operates a commuter service four times a day between Stavanger and Kvitsoy island; in summer the boat provides sightseeing tours on the Lysefjord (a 26-mile fjord).
Volvo Penta and Rodne enjoy a mutually beneficial relationship. “It’s useful for us to have companies test our engines and propulsion packages to the full in all different conditions,” says Aniko Holm, manager for marine field tests at Volvo Penta. “We learn about what works well and what might need modifications. With our IMO Tier III solution, we have a package that is powerful and robust, yet can surpass future emissions reduction requirements.”
Rodne is a company that prides itself on its environmentally-friendly credentials. Rolf Kristiansen, technical superintendant at Rodne, says,” We have a program to increase fuel efficiency and reduce emissions from our boats, which is important to us as a company and better for the environment.” He added, “We wanted to test this new equipment early to be ahead of the regulations and our competitors, and to get to know the system well to see how it produces fewer emissions.”
Rodne has been operating for more than 60 years and is now one of Norway’s largest high-speed ferry companies. Based in Stavanger, the company provides passenger transport, tourist vessels and ambulance boats.
IMO Tier III regulations will apply from 2021 and will stipulate a reduction in nitrogen oxide (NOx) emissions of around 70 per cent compared to current IMO Tier II levels. Volvo Penta’s IMO Tier III solution goes beyond the stipulated emissions limits by reducing NOx by up to 75 per cent. With the ability to use either 32% or 40% urea, exhaust gases are mixed with UREA/DEF (diesel exhaust fluid) in the SCR (Selective Catalytic Reduction) unit. The two alternative exhaust outlets are designed to marine standards and provide customers with variable SCR configurations. The SCR also acts a silencer to reduce noise by up to 35 dBA.
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