Regulations last checked for updates: May 19, 2024

Title 49 - Transportation last revised: May 14, 2024
§ 538.1 - Scope.

This part establishes minimum driving range criteria to aid in identifying passenger automobiles that are dual-fueled automobiles. It also establishes gallon equivalent measurements for gaseous fuels other than natural gas.

[75 FR 25728, May 7, 2010]
authority: 49 U.S.C. 32901,32905,and; delegation of authority at 49 CFR 1.95
source: 61 FR 14511, Apr. 2, 1996, unless otherwise noted.
cite as: 49 CFR 538.1