Japan's Yanmar said Thursday it had received an order for dual fuel 6EY22ALDF engines which will be used to power generators on board Mitsui O.S.K. Lines' new LNG-fueled large coal carrier. The coal carrier will be built by Namura Shipbuilding."Emission regulations in the marine sector are becoming ever more stringent, with LNG vessels being adopted globally as a means of reducing environmental impact. As this trend has progressed in recent years, dual-fuel engines have attracted ever more attention…