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Achim I. Czerny @achimczerny.com · 19/08/2026

Joan Walker has a compact answer to how transport research can have more impact: coordinate. Open data and code. Comparable methods and reporting. Trust and credibility. Better communication with policymakers. From our conversation at ITEA 2026 in Bergamo: youtube.com/shorts/QvAlI...

youtube.com

4 Ways Transport Researchers Can Have More Impact — Joan Walker (UC Berkeley) at ITEA 2026

YouTube video by Achim I. Czerny | Aviation & Maritime Economics

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Achim I. Czerny @achimczerny.com · 19/08/2026

Europe earmarks up to €1.6bn of carbon-market money for airlines using sustainable aviation fuel — and €153m for the producers that make it. Placement matters less than you'd think. Form is everything: per-litre money moves money; it doesn't build plants. achimczerny.substack.com/p/up-to-16-b...

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Achim I. Czerny @achimczerny.com · 06/08/2026

Correct — and the mechanism deserves the spotlight. This is what competition does when a cost is visible: fuel is an airline's biggest expense, so the industry cut fuel burn per seat by roughly half over the same period, with no mandate telling anyone how.

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Achim I. Czerny @achimczerny.com · 04/08/2026

Everyone assumes Brussels waters down carbon pricing under industry pressure. The 2026 EU ETS revision does the opposite for aviation: the 5,000 km scope limit expires in 2032 — the default becomes full coverage. New essay on what it gets right and wrong: open.substack.com/pub/achimcze...

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