U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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All TitlesTitle 40Chapter IPart 1030 - PART 1030—CONTROL OF GREENHOUSE GAS EMISSIONS FROM ENGINES INSTALLED ON AIRPLANES
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(a) The greenhouse gas emission standards in this section are expressed as maximum permitted values fuel efficiency metric values, as calculated under § 1030.20.
(b) The fuel efficiency metric value may not exceed the following, rounded to three decimal places:
| For airplanes defined in . . . | with MTOM . . . | the standard is . . . |
|---|---|---|
| (1) Section 1030.1(a)(1) and (2) | 5,700 < MTOM < 60,000 kg | 10 |
| (2) Section 1030.1(a)(3) | 8,618 < MTOM < 60,000 kg | 10 |
| (3) Section 1030.1(a)(1) and (3) | 60,000 < MTOM < 70,395 kg | 0.764 |
| (4) Section 1030.1(a)(1) and (3) | MTOM > 70,395 kg | 10 |
| (5) Section 1030.1(a)(4) and (6) | 5,700 < MTOM < 60,000 kg | 10 |
| (6) Section 1030.1(a)(5) and (7) | 8,618 < MTOM < 60,000 kg | 10 |
| (7) Section 1030.1(a)(4) through (7) | 60,000 < MTOM < 70,107 kg | 0.797 |
| (8) Section 1030.1(a)(4) through (7) | MTOM > 70,107 kg | 10 |
