You are using an outdated browser For a better experience using this site, please upgrade to a modern web browser. Subscribe Get Daily Email Subscribe --> Contact Us Sign in Home News & Features Compliance Costs Bunker Prices Bunker Intelligence Asia/Pacific News Latest Features World Americas EMEA Asia/Pacific Home News & Features Asia / Pacific HD Hyundai Heavy Industries Completes Tests for New LNG Dual-Fuel Engine HD Hyundai Heavy Industries Completes Tests for New LNG Dual-Fuel Engine by Ship & Bunker News Team Friday September 25, 2026 Tweet Follow @shipandbunker The new engine is designed to improve fuel efficiency and cut methane slip compared to previous engine models. Image Credit: HD Hyundai The Engine and Machinery of HD Hyundai Heavy Industries (HHI-EMD) has completed type approval testing for its new LNG dual-fuel marine engine. The tests were held from September 21-23 at the company’s Engine Techno Center in South Korea , HHI said in an announcement on Wednesday . Representatives from seven classification societies, including DNV, ABS, Bureau Veritas, Lloyd’s Register and RINA , attended the test. The new engine is based on HD Hyundai’s second-generation HiMSEN CLEAN engine platform and builds on its existing H35DF LNG dual-fuel engine. The engine uses variable valve timing (VVT) to control the air entering the combustion chamber. HD Hyundai said the technology improves fuel efficiency and reduces methane slip. The company developed the engine to meet demand for higher-output and more efficient marine engines. Ship & Bunker News Team To contact the editor responsible for this story email us at [email protected] Also in the News Everllence and Damen Sign Deal for Dual-Fuel-Ready Tug Engines The engines will be suitable for conversion to methanol propulsion in the future. Read in Full Lehmann Marine Expands Maritime Battery Production in Greece New Xanthi facility will supply battery modules to Lehmann Marine's German headquarters f