The Latest from Allison Prang

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  Marine transport

  Amogy raises $56M to commercialize ammonia for heavy-duty transit

  The startup has now raised more than $270M to support its goal of decarbonizing tricky industries like shipping. So far, it has tested an ammonia-powered tugboat.

  By Allison Prang  .  15 January 2025

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  Carbon removal

  Heirloom raises $150M for its limestone-based carbon removal tech

  The startup opened the first direct air capture facility in the U.S. last year. The funding will help it build more plants capable of removing higher volumes of CO2.

  By Allison Prang  .  4 December 2024

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  Carbon removal

  A new demo plant will repurpose mining waste and also capture CO2

  Travertine’s demo facility in Rochester, NY, will upcycle captured CO2 and discarded gypsum into sulfuric acid for use in a nearby metals company’s operations.

  By Allison Prang  .  17 October 2024