; (2) descriptions of the review process; and (3) explanations of why recipients were selected. (f) Tracking of certain information Not later than 1 year after grant awards are made under this section, the Secretary shall implement a reporting or tracking mechanism to determine— (1) from which sectors of industry are displaced transportation workers coming from; (2) what skills and professions are participants being retrained for; (3) how many workers have used the program; and (4) relevant demographic information. (g) Definition of institution of higher learning For purposes of this Act the term institution of higher education has the same meaning given the term in section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 ). (h) Authorization of appropriations (1) In general There is authorized to be appropriated $25,000,000 to be used in fiscal years 2020, 2021, and 2022 to carry out this section. Each recipient may receive a one-time grant in an amount determined by the Secretary of Transportation. (2) Limitation on availability of amounts Amounts made available to the Secretary to carry out this section shall remain available for obligation by the Secretary for a period of 3 years after the last day of the fiscal year for which the amounts are authorized. 3. GAO study Not later than 1 year after the date of enactment of this Act, the Comptroller General shall conduct a study and report to Congress regarding the impact of driverless vehicle adoption— (1) on the Nation’s workforce; (2) on the trucking, freight movement, and personal transportation industries; (3) on lost wages; (4) on job loss, including the economic impact on each region of the United States; and (5) on the creation of new jobs and how such transportation sector jobs would change.