# refrigerated transport—intermodal containers — US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54) For refrigerated transport, sector/subsector is refrigerated transport—intermodal containers; restriction type is manufacture/import; maximum gwp is 700; effective date is July 27, 2026; conditions is with a box temperature of −35 °C (−31 °F) or higher, recorded from its source on 2026-08-06. - **Sector/subsector:** refrigerated transport—intermodal containers _(verified: appears in the quote below)_ - **Restriction type:** manufacture/import _(our reading, not quoted from the source)_ - **Maximum GWP:** 700 _(verified: appears in the quote below)_ - **Effective date:** July 27, 2026 _(verified: appears in the quote below)_ - **Conditions:** with a box temperature of −35 °C (−31 °F) or higher _(verified: appears in the quote below)_ - **CFR paragraph:** § 84.54(a)(6) _(our reading, not quoted from the source)_ ## What the source says > ( 6 ) Effective July 27, 2026, refrigerated transport—intermodal containers with a box temperature of −35 °C (−31 °F) or higher using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater. ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 Last verified: 2026-08-06. Review by: 2027-02-02. Part of [US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54)](https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/).