"The objective of HELIOS is to develop a marine low speed two-stroke gas Diesel engine research platform that is realistically sized for direct drive marine propulsion, and that has an emission footprint which compared to present Diesel engine technology is reduced as follows: CO2: 20-30%, NOx: 10-15%, SOx : 90-100%, PM: 60-70%. Since 99% of the world commercial fleet is powered by diesel engines, ...