A bill to amend the Clean Air Act in order to authorize States to allow certain variances in emission control systems in isolated areas.

[AI summary unavailable — showing source text] Amends the Clean Air Act to require that State implementation plans provide for variances from air quality control standards for sources in isolated areas: (1) where such variances would not seriously impact on public health and welfare; and (2) where the cost of complete compliance would cause severe economic hardship on such source.…