Why is EPA looking at new emission controls for snowmobiles?
Our analysis shows that snowmobiles emit more than 200,000 tons of hydrocarbons (HC) and 531,000 tons of carbon monoxide (CO) each year across the United States. These emissions contribute to ambient concentrations of CO, air toxics, and fine particulate matter which is largely responsible for visibility impairment at our national parks. Emissions from snowmobiles contain toxic compounds such as benzene. Reducing these emissions would benefit our health and environment. The Clean Air Act requires us to set emission standards that address these problems. These impacts are described in more detail in “FAQ: Environmental Impacts of Recreational Vehicles and Other Nonroad Engines” [EPA420-F-01-030].