WASHINGTON, Sept. 20 -- The Kentucky Petroleum Marketers Association (KPMA) has submitted a public comment letter to the U.S. Department of Health and Human Services Food and Drug Administration (FDA) expressing strong opposition to its proposed "Tobacco Product Standard for Nicotine Yield of Cigarettes and Certain Other Combusted Tobacco Products." The KPMA, which represents over 2,300 retail facilities in Kentucky, warns that the proposed rules could have dire economic consequences across vari  more