Global technology group Wärtsilä will provide its Volatile Organic Compounds (VOC) Recovery System, together with an LNG Fuel Gas Supply System, for two new 124,000 DWT shuttle tankers.
Ordered by Knutsen NYK Offshore Tankers (KNOT), the ships will be built at the Daewoo Shipbuilding & Marine yard in Korea.
With this technology, the liquefied VOC is mixed with LNG and used as fuel for the main and auxiliary engines.
By using LNG as the primary fuel and supplementing this with the energy recovered from the VOC, these vessels will be able to lower their emissions of CO2 equivalents by 30-35%, a minimum of 30,000 tonnes per year, compared to conventional oil-fuelled shuttle tankers.
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