Last month, Colorado became the first state in the country to ban certain gas-powered lawn care equipment during the hot, summer months when ozone levels are more likely to reach dangerous heights. The Environmental Protection Agency has labeled the Front Range of Colorado an ozone nonattainment area because it doesn’t meet national standards for the gas. Ozone is a secondary pollutant that forms when other pollutants — primarily volatile organic compounds and nitrogen oxide — mix with heat and sunlight…
Link to original article