Executive Order 13423 of January 24, 2007, Strengthening Federal Environmental, Energy, and Transportation Management

Section 2(g), ensure that, if the agency operates a fleet of at least 20 motor vehicles, the agency, relative to agency baselines for fiscal year 2005,
(i) reduces the fleet’s total consumption of petroleum products by 2 percent annually through the end of fiscal year 2015,
(ii) increases the total fuel consumption that is non-petroleum-based by 10 percent annually, and
(iii) uses plugin hybrid (PIH) vehicles when PIH vehicles are commercially available at a cost reasonably comparable, on the basis of life-cycle cost, to non-PIH vehicles.