United Kingdom, Jan. 22 -- Technology group Wartsila will supply the engines for a new purpose-built semi-submersible Heavy Transport Vessel (HTV) which is designed to minimise exhaust emissions and maximise fuel efficiency. The ship is being built for Switzerland-based offshore contractor Allseas Group at the Guangzhou Shipyard International (GSI) facilities in China. The engine order was booked by Wartsila in Q4 2025.The future-proof Wartsila 31 engine was selected because of its modular design, which enables a significant reduction in maintenance requirements and costs, and its readiness to use alternative sustainable fuels. The vessel will operate with four Wartsila 31 engines, each fitted with a Wartsila NOx Reducer for emissions abate...