CirculAIRity Signals: a tested verdict for any jet fuel or SAF decision

Test the decision before you commit.

CirculAIRity Signals · from the molecule to the market

Which fuel, where, when, and at what cost and climate value. One suite of seven Signals, each ending in a verdict you can act on.

IN FORCEUK SAF mandate 10% by 2030
IN FORCEReFuelEU 6% in 2030, e-SAF 1.2%
1 OCT 2026Singapore SAF levy live
Q1 2027UK RCM first round
2027South Korea 1% blend
2027Brazil 1% → 10% by 2037
2027India 1% → 5% by 2030
2028British Columbia 1% → 3%
FY2030Japan 1% → 5% (draft)
TO 2029US 45Z up to $1.00/gal
Every Signal looks the same

Read one, read all seven

  1. The client's questionYour decision, in your words
  2. The verdictProceed · wait · move · stop
  3. Our central casePlus the sensitivities you want to test
  4. What would change itThe signposts, with dates
  5. How sure we areGraded sources, test record, error bands
  6. The next SignalThe paired question it raises

The scale behind every answer

23Jurisdictions
550+SAF plants tracked
208Pre-FID projects
11Policy markets 2025–30
2050Forecast horizon
Climate

57% contrails

At any given moment, contrails trap more heat than all the CO2 aviation has emitted since 1940.

Contrail cirrus was 57% of aviation's net effective radiative forcing in 2018 (best estimate, low confidence), against 34% for CO2 accumulated since 1940. Lee et al. 2021

Policy clock

The window is closing

Q1 2027 · indicative
–

UK RCM first round

2027
–

Korea, Brazil, India start

1 Jan 2030
–

EU e-SAF sub-mandate

End 2029 · indicative
–

US 45Z horizon

Two doors in

Start with one question

Market door · with our compliments

Your complimentary Signal

One question on Market, Project, Capital or Policy. Central case and sensitivities, under a mutual NDA.

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Fuel door · opening December 2026

Fuel and chemistry Signals

Production and Logistics Signals open in December 2026. Register now and we will contact you first.

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Every month

Signals Snapshot

One chart, three findings, the paired Signal.

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Every discipline, one team

Meet the team

Economics

Dr Michael Parmar

Fuels and supply chain

Alex Chikhani · Andy Spinks

Energy regulation

Dr Andy Samuel CBE · Dame Sue Gray

Engineering

Dame Sue Gray · Richard Price · Charles Ross-Smith

Chemistry and carbon

Dr Russ Wakeham

Finance

James Savage

Infrastructure

Jason Sprague

Aviation

Shashank Nigam · Helen Webb
e-SAF development and project capital

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We have access to funds and funders with contingent commitments willing to consider specific projects.

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