"We had been operating relatively conservatively, in how many people we were allowing ourselves to hire and capital expenditures," Romo said. "This will allow us to release a little bit of that conservatism and lean into some stuff like electric propulsion and potentially other vehicles that are going to allow us to grow long-term."

(Emphasis mine)

He said this but then never really elaborated. This was the only part of the article I wanted to read more about. It sounded like he was talking about something akin to the EmDrive, but my understanding was that the EmDrive had been debunked as a measurement calibration error, so I'm curious WTF he's talking about.