I suspected this was LiquidPiston before opening the page. There's been quite a lot of their marketing showing up in my recommended content. > But LiquidPiston

I suspected this was LiquidPiston before opening the page. There's been quite a lot of their marketing showing up in my recommended content. > But LiquidPiston has designs on applications outside of low-volume, hand-built drone engines or military generators that are exempt from emissions regulations. That's where a recent $30 million funding round comes in. > "That's a big reason why we are raising outside capital, to cross these productionization and emissions bridges so that we can get to the commercial market. I would estimate about two years to where we are hopefully delivering with the DoD and then maybe one or two years after that for broader commercial markets," Shkolnik said. I'm still waiting to see these larger real-world applications and performance specs as a we're still dealing with modelled/extrapolated guesses.