More than two dozen environmental organizations petitioned the Environmental Protection Agency to ban the use of natural gas for home heating nationwide, arguing the federal agency must regulate “deadly pollution from heating appliances.” The petition, sponsored by the Sierra Club, claims fossil fuel-fired home furnaces, water heaters, clothes dryers and stoves emit enough nitrogen dioxide (NOx) and carbon dioxide (CO2) that they must be classified as “new stationary sources” of air pollutants, placing them in the same regulatory regime as power plants and factories. The petition resembles – but goes beyond Gov. Jared Polis’ Greenhouse Gas Roadmap for a clean...