What happens DIY spirit and open source tech becomes a business? Janosch Oppermann and Alex Howard are converting London taxis into EVs, offering us all cleaner and quieter cities - and potentially a more profitable business for the driver. I talk to Janosch about his conversion journey, the pitfalls of the taxi business, and what it's like taking this tech to market.

Janosch and Alex's business, Clipper Automotive, is doing a small funding round as we recorded. If you like the sound their business and would like to invest, get in touch at https://www.clipper.cab/contact