Helios is a cooperation research project within the EU´s 7th Framework programme for Research and Technical Development/Transportation. The general objective of the project is to develop a generation of electronically controlled two-stroke low speed marine diesel engines that operates on high-pressure Compressed Natural Gas (CNG) or Liquefied natural Gas (LNG). The project had its Kick Off meeting in February 2011 and lasts for three years. MAN Diesel & Turbo is the coordinator of Helios.