General Motors Corporation, a Delaware Corporation v. William D. Ruckelshaus, Administrator, United States Environmental Protection Agency, (3 Cases)

Opinion for the Court filed by Circuit Judge WALD.

Dissenting opinion filed by Senior Circuit Judge BAZELON in which Circuit Judges TAMM and WILKEY join.

*1563WALD, Circuit Judge.

In this appeal, the General Motors Corporation (GM) challenges the authority of the Environmental Protection Agency (EPA or Agency) to require manufacturers, as a part of a recall pursuant to the Clean Air Act, to repair cars and engines, which are members of the recall class, but which have exceeded their statutory “useful lives” of five years or 50,000 miles at the time of repair. In 1980, the EPA promulgated what it…