Pub. L. 102-240, tit. VI, pt. A, sec. 6020
UNDERGROUND PIPELINES.
SEC. 6020. UNDERGROUND PIPELINES. (a) Study.— The Secretary shall conduct a study to evaluate the feasibility, costs, and benefits of constructing and operating pneumatic capsule pipelines for underground movement of commodities other than hazardous liquids and gas. (b) Report.— Not later than 2 years after the date of the enactment of this Act, the Secretary shall transmit to the Committee on Public Works and Transportation of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a report on the results of the study conducted under this section.