Mobile Source Clean Air Act Amendments of 1981

[AI summary unavailable — showing source text] Mobile Source Clean Air Act Amendments of 1981 - Title I: Amendments to Title II - Amends title II of the Clean Air Act (Emission Standards for Moving Sources, also known as the "National Emission Standards Act") to provide that where any national ambient air quality standard is established pursuant to such Act for any pollutant, the standard applicable to the emissions of such pollutant shall relate to the achievement of the national ambient air quality standard. Directs the Administrator of the Environmental Protection Agency, in prescribing any such standard, to consider specified factors, including compliance costs, potential inflationary or recessionary effects, and effects on small business competition, consumer costs, and energy use. Requires that more stringent standards shall not become effective for at least: (1) 48 months after final prescription, in the case of heavy-duty vehicles or engines; and (2) 36 months after final prescription, in the case of all other new motor vehicles or engines. Repeals requirements that standards reflecting the greatest degree of emission reduction achievable through application of available technology be contained in regulations applicable…