US Code - Part C: Clean fuel vehicles

Section 7581 Definitions
Section 7582 Requirements applicable to clean-fuel vehicles
Section 7583 Standards for light-duty clean-fuel vehicles
Section 7584 Administration and enforcement as per California standards
Section 7585 Standards for heavy-duty clean-fuel vehicles (GVWR above 8,500 up to 26,000 lbs.)
Section 7586 Centrally fueled fleets
Section 7587 Vehicle conversions
Section 7588 Federal agency fleets
Section 7589 California pilot test program
Section 7590 General provisions

Aircraft emission standards

Emission standards for moving sources