Moratorium against certain regulations based on greenhouse gas effects (a) Fuels Unless specifically authorized in section 202, 211, 213, 231, or this section, after a fossil fuel has passed through a point of taxation as provided in section 9901(d) of the Internal Revenue Code of 1986, subject to subsection (g), the Administrator shall not finalize or enforce any rule limiting the emission of greenhouse gases from the combustion of that fuel under this Act (or impose any requirement on any State to limit such emission) on the basis of the emission’s greenhouse gas effects. (b) Emissions Unless specifically authorized in section 202, 211, 213, 231, or this section, if emission of any greenhouse gas is subject to taxation pursuant to any of sections 9902 through 9903 of the Internal Revenue Code of 1986, the Administrator shall not finalize or enforce any rule limiting such emission under this Act (or impose any requirement on any State to limit such emission) on the basis of the emission’s greenhouse gas effects. (c) Authorized regulation Notwithstanding subsections (a) and (b), nothing in this section limits the Administrator’s authority pursuant to any other provision of this Act— (1) to limit the emission of any greenhouse gas because of any adverse impact on health or welfare other than its greenhouse gas effects