抄録
Wartsila Diesel has been developing environmental technologies for their 2 stroke and 4 stroke diesel engines to reduce emission of environmental pollutants from them. Some technologies go live now with some type of the engines on marine vessels. We want to take this opportunity to introduce these environmental technologies that are separated to primary and secondary method. To be an environmentally sound company is one of our company missions and Wartsila will be continuing their maximum effort for the development and establishment of the environmental technologies to marine diesel engines for contribution to society.