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Company records / promex.energy

Promex

Promex (promex.energy): 3 changes recorded in its website history since November 2025. Homepage last checked 6 November 2026.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

  1. HeadlineBetween and
    BeforeTURNING WASTE GAS INTO VALUE
    AfterFuel, made anywhere.

    Observed on the company’s website; business claims are not independently verified.

  2. HeadlineBetween and
    BeforeTHE NEXT STEP IN ENERGY EVOLUTION
    AfterTURNING WASTE GAS INTO VALUE

    Observed on the company’s website; business claims are not independently verified.

  3. HeadlineBetween and
    BeforeTURNING CO2 INTO PROFIT
    AfterTHE NEXT STEP IN ENERGY EVOLUTION

    Observed on the company’s website; business claims are not independently verified.

First recorded website

Observed 6 November 2025

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

TURNING CO2 INTO PROFIT

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. Seen November 2026 · 1 capture · latest observed messagingFuel, made anywhere.

    PromX is building ultra-low-cost distributed plasma micro-refineries that turn wasted electricity and carbon-rich streams into saleable fuels and materials at the source—building toward clean syntheti

    This wording observed 6 November 2026.

  2. Seen July 2026 · 1 captureTURNING WASTE GAS INTO VALUE

    PromX is rebuilding the world's energy system from the molecule up, turning CO2 and hydrogen into clean, storable synthetic natural gas.

    This wording observed 12 July 2026.

  3. Seen June 2026 · 1 captureTHE NEXT STEP IN ENERGY EVOLUTION

    PromEX is rebuilding the world's energy system from the molecule up, turning CO2 and hydrogen into clean, storable synthetic natural gas.

    This wording observed 6 June 2026.

  4. Seen November 2025 · 1 captureTURNING CO2 INTO PROFIT

    This wording observed 6 November 2025.

Cite this record

StartupHistory, “Promex” company record, https://startuphistory.org/c/promex.energy

Machine-readable: /c/promex.energy.json. How changes are found: method.