Over two dozen environmental groups recently petitioned the US Environmental Protection Agency (EPA) to ban natural gas in the US, the Denver Gazette reports. In his article for the Gazette, Scott Weiser writes: 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. Critics suggest, that the inclusion of nitrogen oxide in the list of banned substances, would essentially eliminate the usage of natural gas across the US. If implemented, new homes would not be allowed to use natural gas. As well, owners of older homes would be required, at horrendous cost, to convert all natural gas appliances including furnaces, stoves, …