In a video on the YouTube channel Bloomberg Quicktakes, Fearn and Woodward propose using the “Mach Effect Gravity Assist” drive to cut interstellar travel time down to within a human lifetime.https://nerdist.com/article/star-trek-impulse-engines-mega-drive/
OK, so it’s “proposing” to build, not planning.
One website screams “they’re building it!”
SDMN (settle down mah nerds)
It’ll happen. Some day. Maybe.