Now that summer is here, air conditioners are on our minds. It is likely the air conditioner you purchase at the store was imported into the United States, and made in China. The EPA has very specific requirements regarding the importation of generators and motor vehicle engines, including ATVs, snowmobiles, motorcycles, and anything else with a non-road spark ignition engine. EPA is concerned about enforcing emissions standards under the Clean Air Act, and so should you.