Sustainable Aviation Intelligence

14 Aug 2026

SAVi Five: Heart flies world’s largest electric aircraft, Brazil finalises 2027 SAF mandate, and more…

Heart Aerospace on 12th August completed the first flight of its X1 demonstrator aircraft, the largest battery-electric ...

31 Jul 2026

SAVi Five: Japan looks at below-10% SAF mandate in 2030s, the EU’s verdict on CORSIA, and more…

Japan has proposed weakening its planned SAF obligation for fuel suppliers, replacing an earlier 10% SAF target for fuel...

19 Jun 2026

SAVi Five: UK consults on SAF Mandate ‘flexibilities’, new calls for ETS scope extension, and more …

The UK’s Department for Transport (DfT) on 16th June opened a call for evidence on whether the country’s SAF Mandate rem...

5 Jun 2026

SAVi Five: ZeroAvia CEO steps down, big week for US new propulsion, UK carbon budget, and more…

ZeroAvia founder and CEO Val Miftakhov stepped down last week as part of a leadership transition, the company announced....

7 May 2026

What does the Iran War-driven energy shock mean for SAF?

Ishka SAVi looks back at the two months of volatility since the start of the Iran War to understand how SAF prices have ...

3 Apr 2026

SAVi Five: EU proposes measure to limit EU ETS price escalation, 2025 EU SAF blend ‘above’ 2%, and more…

The European Commission on 1st April announced a proposal to adapt the EU ETS's Market Stability Reserve (MSR), a mechan...

2 Apr 2026

Ishka Horizon highlights: e-SAF FID a must ‘this and next year’, CORSIA supply improves

This report, the third and final in a three-part summary of conference takeaways from Ishka’s fifth sustainability-focus...

27 Mar 2026

SAVi Five: Singapore delays 1% SAF target to 2027, new Iran war impacts, and more…

Singapore’s SAF levy, one of the world’s most innovative SAF policies, will see its introduction delayed from 1st April ...

23 Mar 2026

SSWS 2026: UK SAF policy wins hearts, but advanced SAF supply worries persist

The release last week of the UK Jet Zero Taskforce’s 2025 annual report, alongside its new SAF and greenhouse-gas remova...

20 Mar 2026

SAVi Five: A4E’s strongest pushback yet against EU rules, UK Jet Zero reports, and more…

The CEOs of Europe’s largest airlines this week called for key European aviation environmental policies to be delayed or...

13 Mar 2026

SAVi Five: EU reaffirms penalties for SAF/e-SAF mandates, new propulsion OEMs selected for large trial, and mo...

The European Commission reaffirmed in a statement this week its position regarding the EU’s SAF and e-SAF mandates, incl...

13 Feb 2026

SAVi Five: EU ETS under attack, UK exceeds 2025 SAF mandate, and more…

Europe’s largest airline association, Airlines for Europe (A4E), this week urged European leaders to “bring down ETS cos...

30 Jan 2026

SAVi Five: Industry ramps up lobbying against EU policy, ZeroAvia status update, and more…

The month of January wasted no time in setting what some hope (and others fear) will be the prevailing sustainable aviat...

23 Jan 2026

SAVi Five: US SAF use grows 2.5x in 2025, Total CEO accuses airlines of undermining mandate, and more…

SAF consumption in the US rose to approximately 870,000 tonnes in 2025, more than doubling the total from 2024, accordin...

9 Jan 2026

SAVi Five: US pulls back from climate treaties, Thailand implements SAF mandate, and more…

US President Donald Trump earlier this week signed an executive order withdrawing the US from a long list of UN bodies a...

5 Dec 2025

SAVi Five: First EU e-SAF two-way auction set for 2026, India approves SAF targets, and more…

Eight European countries launched this week the e-SAF Early Movers Coalition, an initiative envisioned under the EU’s Su...

20 Nov 2025

EU ETS & SAF costs: European airlines soft land in the new normal

Ishka analyses the latest Q3 disclosures by Europe's largest operators to understand the cost impacts of SAF mandates an...

6 Nov 2025

EU STIP adds $3bn to e-SAF, but revenue certainty tool still a ‘medium-term’ goal

The European Commission on 5th November adopted a transport package to mobilise €2.9 billion ($3.3 billion) by 2027 to b...

24 Oct 2025

IATA: ICAO environmental consensus ‘very different’ to IMO

In the first of a two-part series, Ishka SAVi explores the key takeaways from IATA’s World Sustainability Symposium.

17 Oct 2025

SAVi Five: Report lists EU SAF mandate flaws, IMO Net-Zero vote adjourned, and more…

The European Regions Airline (ERA) Association published this week a 20-page report highlighting key issues in the imple...