Newsroom · Blog

Field notes, methods and market context

Shorter pieces, written when there is an occasion rather than on a schedule. Three kinds: what we measured and what it did or did not show; how we work, so a trial can be set up and read properly; and what is changing around fleets — regulation, markets, events — with our assessment marked as ours.

Where a piece concerns one operating environment, it links to the page for that environment rather than repeating it here. Weak and inconclusive results appear on the same terms as good ones.

All pieces

Everything we have published

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Every figure on this site traces back to a document

The blog is commentary. The measurements, their limits and the documents behind them live in the evidence section.

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