Clean air is of concern to most Americans. The Environmental Protection Agency (EPA) has set forth guidelines for business, industry, and private citizens to follow to help improve air quality. All but one is a guideline of the EPA to improve air quality. That is A) check and replace air filters regularly. B) reduce, reuse, and recycle whenever possible. C) fix leaking faucets and minimize outdoor water use. D) reduce the amount of particulate matter by limiting burning.