Sustainability & SAF

CORSIA Phase 1 and 2 compliance, ReFuelEU SAF mandates, EU ETS aviation provisions, emissions monitoring and reporting requirements.

UK CAA Publishes Hydrogen Roadmap — Three-Phase Path to Hydrogen-Powered Commercial Flight by 2035

Commercial aircraft on airport apron with hydrogen fuel tanker nearby, representing the UK CAA Hydrogen Roadmap for hydrogen-powered aviation by 2035

Quick Answers When does the UK CAA expect hydrogen-powered commercial flight? The UK CAA’s hydrogen roadmap, published July 21, 2026, targets hydrogen operations for smaller aircraft by 2035. The three-phase plan runs: Demonstrate (2026–2030), Prove (2030–2035), Scale and Sustain (2035 onwards). No mandatory requirements are created — this is a regulatory planning framework for certification, … Read more

ICAO Warns EU ETS Expansion Would Undermine CORSIA — Commission Proposes International Flight Coverage from 2029

Commercial aircraft leaving contrails at cruise altitude, representing ICAO concerns over the proposed EU ETS expansion to international flights and its impact on CORSIA

Quick Answers Why does ICAO oppose the EU ETS aviation expansion? ICAO argues that expanding the EU ETS to international flights would create potential double charging for the same CO₂ emissions under both CORSIA and the EU ETS, undermine the only globally harmonized aviation carbon measure, and risk fragmenting global decarbonization efforts and ICAO’s collective … Read more

ICAO Aviation Climate Week 2026: ACT-LTAG Program Launched, CORSIA Phase 2 Readiness Reviewed — June 2–4, 2026

ICAO headquarters Montreal at dawn with aircraft silhouette representing ICAO Aviation Climate Week 2026 ACT-LTAG programme launch and CORSIA Phase 2 readiness review June 2 to 4 2026-ICAO Aviation Climate Week 2026

Policy Update | ICAO | Aviation Decarbonization Published: June 5, 2026 | Last Updated: June 2026 | Sources: ICAO, ITF, Aviation Pros, GreenAir News Quick Summary ICAO held its Aviation Climate Week in Montreal from June 2 to 4, 2026. The theme was “One Global Path: Advancing Net-Zero Aviation.” The event launched a new program … Read more

EU ETS Aviation Free Allowances Fully Phased Out in 2026 — 330 Million Allowances to Be Surrendered, July Scope Assessment Approaching

EU ETS Aviation Free Allowances phazed out Busy European airport with multiple commercial aircraft representing EU ETS aviation free allowance phase-out in 2026 and approaching July Commission scope assessment for long-haul routes

Regulatory Change | EU ETS Aviation | European Commission Published: June 5, 2026 | Last Updated: June 2026 | Sources: European Commission, IATA, Transport & Environment Quick Summary From January 1, 2026, EU airlines must pay for every tonne of CO₂ they emit. Free carbon allowances no longer exist for the aviation sector. Airlines flying … Read more

UK Sustainable Aviation Fuel Act 2026: Mandatory Blending Requirements, Revenue Certainty, and Compliance Obligations Explained

Commercial aircraft refuelling at a UK airport with an SAF fuel tanker on the tarmac representing the UK Sustainable Aviation Fuel Act 2026 mandatory blending requirements from 2% to 22% by 2040

Regulatory Change | UK SAF Mandate | Aviation Decarbonization Last Updated: May 5, 2026 | Sources: UK Parliament, DfT, House of Commons Library, Gowling WLG, Slaughter and May Quick Summary The United Kingdom’s Sustainable Aviation Fuel (SAF) Mandate entered force on January 1, 2025, requiring all aviation fuel suppliers delivering above a threshold volume in … Read more

ReFuelEU Aviation Regulation: EU SAF Mandatory Blending Targets, Compliance Obligations, and Penalties — Complete Guide 2025

European airport tarmac with commercial aircraft and SAF fuel tanker representing ReFuelEU Aviation EU SAF mandatory blending targets and compliance obligations from 2025

Regulatory Change | EU SAF Mandate | Aviation Decarbonization Published: January 6, 2025 | Last Updated: May 2026 | Sources: EUR-Lex, EASA, European Commission, EBAA Quick Summary ReFuelEU Aviation (Regulation EU 2023/2405) is the European Union’s mandatory sustainable aviation fuel framework. This introduces a phased SAF blending mandate at all major EU airports — starting … Read more

FAA SAF Grand Challenge 2030: Production on Track, But Policy Uncertainty Threatens the Final Mile

Split composition: left side shows a commercial aircraft in flight, right side shows a biofuel refinery with corn feedstock

Industry Update | SAF Production Policy | DOE / USDA / FAA Last Updated: April 16, 2026 | Sources: DOE, USDA, FAA — SAF Grand Challenge 2021–2024 Progress Report; DOE Metrics Dashboard Quick Summary The US government’s Sustainable Aviation Fuel Grand Challenge — a whole-of-government initiative launched in September 2021. Led by the DOE, USDA, … Read more

CORSIA Phase 2 Starts January 2027: What US Airlines Must Do Now to Comply

Commercial aircraft taking off at dusk with carbon emissions tracking overlay representing CORSIA Phase 2 mandatory compliance obligations for US airlines beginning January 2027

Compliance Alert | ICAO CORSIA | International Aviation Emissions Last Updated: March 29, 2026 | Sources: ICAO, IATA, HFW, CEEZER, Econetix Quick Summary CORSIA Phase 2 begins January 1, 2027. What was once largely a voluntary carbon offsetting program for international aviation is now a binding legal obligation. For US carriers, this is a major … Read more