Mitsui OSK Lines Ltd announced that MOL has agreed a contract to provide the funds for Clean Air Engineering Maritime Inc, a ship-auxiliary generator exhaust treatment company in US, to develop a new-generation Marine Exhaust Treatment Systemfor use on MOL operating car carriers from 2025 to prevent air pollutions in California in US.State of California in the United States is taking advanced measures to prevent air pollution. In particular, according to the California Air Resources Board At-Berth Regulation, which regulates the emission of exhaust from diesel auxiliary engines on certain classes of ships arriving in California ports in the United States, regulated ships calling in that state are required to reduce the amount of air pollutants (PM: diesel microparticles, NOx: nitrogen oxides, etc.) emitted during their mooring at ports. Regulations began for container ships in 2007, and car carriers are scheduled to be included in the regulations in 2025.In June 2015, CAEM became the first company to receive CARB approval for its barge-based Marine Exhaust Treatment System (METS-1) which captures air pollutants exhausted from the ship's stack and treats the exhaust removing all of the required pollutants pursuant to CARB standards. CAEM has been providing their services at the Port of Los Angeles, California, since then, and CAEM is currently the only company providing vessel exhaust capture and treatment services in compliance with the CARB At-Beth Regulation and has successfully serviced approximately 400 vessels with 23,000 service hours, mainly for container ships. In cooperation with CAEM, MOL will join the development of a new system for car carriers, Marine Exhaust Treatment System, METS-3, and will work to prevent air pollution in the area, which MOL vessels calls more than 70 times annually as one of major ports in the United States.