As used in this chapter—

(1) the term "Secretary" means the Secretary of Energy;

(2) the term "domestic company" means a company which is substantially involved in the United States domestic production, processing, or use of steel, aluminum, copper, or other metals and has a substantial percentage of its operations located within the United States;

(3) the terms "management plan" and "plan" mean the Steel Initiative Management Plan issued on April 1, 1987, by the Department of Energy, which establishes the management framework for the steel research and development initiative, and updates to that plan; and

(4) the term "research plan" means the Steel Initiative Research Plan issued in April 1988 by the Department of Energy, and updates to that plan.