84
STAT.]
PUBLIC LAW 91-604-DEC. 31, 1970
1691
"(3) For purposes of this part— Model year. " " (A)(i) The term 'model year' with reference to any specific calendar year means the manufacturer's annual production period (as determined by the Administrator) which includes January 1 of such calendar year. If the manufacturer has no annual production period, the term 'model year' shall mean the calendar year. "(ii) For the purpose of assuring that vehicles and engines manufactured before the beginning of a model year were not manufactured for purposes of circumventing the effective date of a standard required to be prescribed by subsection (b), the Administrator may prescribe regulations defining 'model year' otherwise than as provided in clause (i). i duty " (B) The term 'light duty vehicles and engines' means new v e"hLc gehst and i l light duty motor vehicles and new light duty motor vehicle e n g i n e s. " engines, as determined under regulations of the Administrator. Report "(4) On July 1 of 1971, and of each year thereafter, the Admin- C o n g r e s s.to istrator shall report to the Congress with respect to the development of systems necessary to implement the emission standards established pursuant to this section. Such reports shall include information regarding the continuing effects of such air pollutants subject to standards under this section on the public health and welfare, the extent and progress of efforts being made to develop the necessary systems, the costs associated with development and application of such systems, and following such hearings as he may deem advisable, any recommendations for additional congressional action necessary to achieve the purposes of this Act. I n gathering information for the purposes of this paragraph and in connection with any hearing, the provisions of section 307(a) (relating to subpenas) shall apply. Post, p. 1707,, Standards, "(5)(A) At any time after January 1, 1972, any manufacturer effective date may file with the Administrator an application requesting the sus- s u s p e n s i o n; pension for one year only of the effective date of any emission standard application required by paragraph (1)(A) with respect to such manufacturer. The Administrator shall make his determination with respect to any such application within 60 days. If he determines, in accordance with the provisions of this subsection, that such suspension should be granted, he shall simultaneously with such determination prescribe by regulation interim emission standards which shall apply (in lieu of the standards required to be prescribed by paragraph (1)(A)) to emissions of carbon monoxide or hydrocarbons (or both) from such vehicles and engines manufactured during model year 1975. " (B) A t any time after January 1, 1973, any manufacturer may file with the Administrator an application requesting the suspension for one year only of the effective date of any emission standard required by paragraph (1)(B) with respect to such manufacturer. The Administrator shall make his determination with respect to any such application within 60 days. If he determines, in accordance with the provisions of this subsection, that such suspension should be granted, he shall simultaneously with such determination prescribe by regulation interim emission standards which shall apply (in lieu of the standards required to be prescribed by paragraph (1)(B)) to emissions of oxides of nitrogen from such vehicles and engines manufactured during model year 1976. Interim " (C) Any interim standards prescribed under this paragraph shall standard s. reflect the greatest degree of emission control which is achievable by application of technology which the Administrator determines is available, giving appropriate consideration to the cost of applying such technology within the period of time available to manufacturers.
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