"In a Go-Kart actually... Johnny built it. We're hoping to test it next week. It's a Zero-Point Energy engine. The engine will take on the kinetic energy that is being produced while the structure is in motion-- this 'created' energy will then be used to keep the structure in motion, thus creating more energy to be used or stored."
Reed focused in on the text message he was sending, momentarily oblivious to everything going on around him-- including HERBIE moving to hover near Butterfingers. The Fantastic Four's robot didn't comment, but hovered near the other AI. If they had been dogs, this would have been the butt sniffing part.
"Yes... I think. We haven't noticed anything abnormal so far but with these things it's better safe than sorry. "