S. Rept. 116-95: Charging Helps Agencies Realize Government Efficiencies Act, Report to Accompany S. 2193, Including Cost Estimate of the Congressional Budget Office, September 10, 2019 [open pdf - 328KB]
From the Purpose and Summary: "S. 2193, the Charging Helps Agencies Realize General Efficiencies Act, requires the Administrator of the General Services Administration (GSA) to issue clarifying guidance to the existing policy that Federal employees authorized to use a charge card to refuel a motor vehicle may also use their charge card and other forms of payment to pay for the charging of electric motor vehicles."
S. Rept. 116-95; Senate Report 116-95
U.S. Government Publishing Office: http://www.gpo.gov/