Skip to content

Startup Portfolio: Biofuels / Synfuels / Chemicals

Meet Our Latest Batch of Startups: Cohort 22-1

Why 22-1? Historically, our cohorts were named for the year’s peak atmospheric carbon dioxide concentration (in parts per million [ppm]), based on the Keeling Curve.

We're a bunch of science nerds at D3, but we realized this was just a little too wonky—so we’re switching our cohort names to represent the year and quarter of their launch.


Enchi Corporation

Driving the next generation of biofuels, starting with non-food cellulosic ethanol.

Read More

SeeO2 Energy

Efficiently converting carbon dioxide (CO2) and/or water into marketable and clean value-added products using reversible fuel cell technology.

Read More

Sironix Renewables

Offering a bio-based technology to cleaning brands, producers, and consumers to reduce the environmental footprint of a huge industry—allowing all to shop a product that fulfills all needs: sustainability, safety and performance.

Read More


Accelerate your success and speed to market with us

We’re here to help you bridge critical finance and resource gaps by uniting and aligning the world’s most promising climate tech startups—like you—with D3’s network of committed investors, corporate partners, market experts, and mentors.

Apply to Third Derivative