; and (2) prepare and submit a report to the Committee on Finance of the Senate and the Committee on Ways and Means of the House of Representatives setting forth the conclusions of the study conducted under paragraph (1) in such a manner that the recommendations included in the report can inform future legislative action. Such report shall also be made publicly available via the website of the Government Accountability Office. (b) Prohibition In carrying out the requirements of this section, the Comptroller General of the United States may request qualitative and quantitative information from employers and employees claiming the credit under section 45S of the Internal Revenue Code of 1986, but nothing in this section shall be construed as mandating additional reporting requirements for such employers or employees beyond what is already required by law. 4. Reduction of the number of nonessential vehicles purchased and leased by the Federal Government (a) Review of nonessential vehicle purchase The Director of the Office of Management and Budget, in consultation with the head of the relevant Executive agency, shall complete each of the following: (1) Determine the total dollar amount obligated by each Executive agency to purchase civilian vehicles in fiscal year 2010. (2) Determine the total dollar amount obligated by each Executive agency to lease civilian vehicles in fiscal year 2010. (3) Determine the total number of civilian vehicles purchased by each Executive agency in fiscal year 2010. (4) Determine the total number of civilian vehicles leased by each Executive agency in fiscal year 2010. (5) Determine the total dollar amount that would be 10 percent less than the dollar amount determined under paragraphs (1) and (2) for each Executive agency. (b) Reduction of nonessential vehicle purchase For each of fiscal years 2017 through 2021, each Executive agency may not obligate more than the dollar amount determined under subsection (a)(5) for the Executive agency to purchase or lease civilian vehicles. (c)