; and (B) reduce the risk of misfueling by users at various points in the distribution and supply chain, including at bulk storage, retail storage, and distribution configurations by— (i) assessing the best methods and practices to prevent misfueling; (ii) examining misfueling mitigation strategies for blender pumps, including volumetric purchase requirements and labeling requirements; (iii) assessing the adequacy of and ability for misfueling mitigation plans approved by the Environmental Protection Agency; and (iv) soliciting and considering recommendations of the National Institute of Standards and Technology, the American National Standards Institute, the International Organization for Standardization, and the National Conference on Weights and Measures regarding fuel pump labeling. (c) Waivers Prior to the submission of the report under subsection (a)(2), any waiver granted under section 211(f)(4) of the Clean Air Act ( 42 U.S.C. 7545(f)(4) ) before the date of enactment of this Act that allows the introduction into commerce of mid-level ethanol blends for use in motor vehicles shall have no force or effect. The Administrator shall grant no new waivers under such section 211(f)(4) until after the submission of the report described under subsection (a)(2). 3. Authorization of appropriations In order to carry out this Act, the Administrator shall utilize up to $900,000 from the funds made available for science and technology, including research and development activities, at the Environmental Protection Agency.