Signal · Tuesday, July 28, 2026

$96M

Cinder Carbon

A biochar-to-cement play with an unusually boring pitch: it sells a cheaper clinker substitute and books the removal credit as upside rather than the business.

Sources

From the edition

SIROCCOSIROCCO · Where the money went

Grid iron and the second battery wave
  • Atlas OffsetsClaims

    Announced "1 million tonnes removed." The methodology annex counts contracted future delivery through 2031. De

  • FerrovoltBatteries

    The iron-air storage maker closed a Series C to finance its first gigafactory in Ohio, with two utilities pre-

  • HelioscapeSolar

    Interconnection-queue software, of all things, drew a growth round: Helioscape says it has moved 14 GW of proj

  • Qbit ThermalQuantum

    Quantum-assisted materials search for heat-pump refrigerants. The chemistry is speculative; the customer list,