Under the new rule, by 2015, existing boilers must switch from No. 6 oil to a low-sulfur version of the No. 4 heating oil or to an equivalent cleaner fuel.
To clean up the air, California is the only state in the U.S. to require all ships to use low-sulfur fuel when they are within 44 kilometers of the shore.
Biomass biomass boiler precipitator fuel is a renewable source of carbon, with great production, wide distribution, lowsulfur, low nitrogen, fast growth, low carbon dioxide emissions.