We use cookies to provide you with a better experience. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy.
In last month's Insider, we discussed the Department of Environmental Protection's accelerating phaseout of the dirtiest heating oils. The city's new regulations, issued in 2011, ban the heaviest heating oils—No. 4 and No. 6—that are still used in approximately 10,000 buildings and significantly contribute to air pollution.