Thus, it reasonably bars the export of HEU for use as reactor fuel or as targets to produce medical isotopes except on an interim basis to recipients who provide assurances that an alternative nuclear fuel or target will be used in their facilities whenever possible.
According to Greenwire (April 14, 2010), McCarthy gave assurances best available control technology standards for major GHG emitters would require only efficiency upgrades, not fuel switching from coal to gas.