The military has always been the earliest adopter of new tech. Dirk Singer noted that today it’s also one of the biggest investors in e-fuels — not for climate goals, but for energy security. Like solar panels in the 1990s, disruption often starts on the battlefield.

Robotaxi reality check

Alternative business model for a battery factory

Why do many cleantech startups stall before they even start? They skip the hard part: talking to customers. When  Polina Vasilenko...

The humble transformer is at the heart of the electric grid. And for decades, it’s been a tailor-made marvel. Engineers loved the craft,...

Hear Olivier Mussat, the CEO and founder of ATOME, about the role of fertilizers.

We don’t have a cleantech innovation problem — we have a FOAK execution problem. Over the past year, I’ve been building something I wish I had when I started scaling my first climate tech venture: a practical, experience-based framework for getting First-of-a-Kind (FOAK) projects off the ground. In my latest article, I’ve pulled together my 50+ posts into a structured overview that maps the FOAK journey—from the moment you decide to leave the lab to the day your NOAKs are r

I'm deep into research on large-scale solar heating vs. heat pumps – and the findings are fascinating. At the household level, heat pumps...

Green hydrogen was supposed to be the next big thing—but where’s the business case?

The 4-step Framework for Building a Demo Project: Your Critical Step Between Pilot and FOAK

The stationary energy storage market tripled in 2023. But with the sector maturing fast, not every corner is ripe for VC-backed disruption

A 3-step framework for scaling-up to FOAK

The 4-step framework for choosing climate tech scale-up business model

Over 37% of climate investors decide not to invest in hardware companies because of the business model and long sales cycles. These are...