reasonable further progress
Defined in 2 dictionaries — Case Law, U.S. Code
Definitions from Case Law
United States Supreme Court
annual incremental reductions in emissions of the applicable air pollutant (including substantial reductions in the early years following approval or promulgation of plan provisions under this part and section 110(a)(2)(I) and regular reductions thereafter) which are sufficient in the judgment of the Administrator, to provide for attainment of the applicable national ambient air quality standard by the date required in section 172(a).
Defined by the Supreme Court in Chevron Usa Inc v. Natural Resources Defense Council Inc, 467 U.S. 837 (1984).
United States Code
42 U.S.C. § 7501 — in this section
Reasonable further progress.—The term “reasonable further progress” means such annual incremental reductions in emissions of the relevant air pollutant as are required by this part or may reasonably be required by the Administrator for the purpose of ensuring attainment of the applicable national ambient air quality standard by the applicable date.