DNV GL, Oshima Shipbuilding Team Up on Low-Emission Bulker Designs 12 June 2019 A new Ultramax design uses LNG as fuel, an optimized hull shape and a sail to generate extra propulsion.Author: Capt. Johnhttps://worldmaritimenews.com/archives/278425/dnv-gl-oshima-shipbuilding-team-up-on-low-emission-bulker-designs/