14 CFR § 313.3 - Definitions.
---
identifier: "/us/cfr/t14/s313.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 313.3 - Definitions."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "313.3"
section_name: "Definitions."
chapter_name: "OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)"
subchapter_number: "B"
subchapter_name: "PROCEDURAL REGULATIONS"
part_number: "313"
part_name: "IMPLEMENTATION OF THE ENERGY POLICY AND CONSERVATION ACT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 6362(b), 49 U.S.C. Chapter 401."
regulatory_source: "Docket No. 82, 50 FR 2425, Jan. 16, 1985, unless otherwise noted."
cfr_part: "313"
---
# 313.3 Definitions.
As used in this part:
(a) *Energy efficiency* means the ratio of the useful output of services in air transportation to the energy consumption of such services.
(b) *Energy statement* is a statement of the probable impact of a major regulatory action on energy efficiency and energy conservation, contained in a decision, opinion, order, or rule.
(c) *Major regulatory action* is any decision by the DOT decisionmaker or administrative law judge requiring an energy statement pursuant to § 313.4 of this part.
(d) *NEPA* means the National Environmental Policy Act of 1969.
[Doc. No. 82, 50 FR 2425, Jan. 16, 1985, as amended at 60 FR 43529, Aug. 22, 1995, as amended by Doc. No. DOT-OST-2014-0140, 84 FR 15938, Apr. 16, 2019]