Seven States Just Sued The EPA For Failing To Update Standards For Wood-Burning Furnaces

Seven States Just Sued The EPA For Failing To Update Standards For Wood-Burning Furnaces | ThinkProgress:
Seven states and the group Earthjustice have filed two related lawsuits against the Environmental Protection Agency (EPA) for failing to update emissions standards for wood-burning boilers.
It’s an often overlooked environmental concern. 
The boilers resemble outhouses with chimneys, and are used to heat water that’s piped into a home’s radiator system.
Along with furnaces and other wood-burning sources, they emit soot — a potentially dangerous pollutant that falls under the under the regulatory authority of the Clean Air Act’s New Source Performance Standards.