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      "Replace topic-label dividers with pillar action titles — e.g. rename p.78 from 'Key hydrogen applications' to 'Heavy-duty mobility is the only near-term application that clears the IPCC $220/tCO2 bar', so the divider itself argues the case.",
      "Add a 2-3 slide closing block before the appendix: a ranked recommendation matrix of the seven business cases by abatement cost, a 'who-should-do-what' actor map (governments / utilities / industrials), and a single next-steps slide — currently the deck ends mid-analysis."
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