Cars like the Nucleon were products of the most optimistic era in American history. In those days, there was nothing we couldn’t do.
Today’s cars are products of the most pessimistic era in American history. These days, we don’t dare do anything to pi$$ off the rabid envirowackos, who are now in charge of Congress.
The reminds me of the Clinton-Gore photo op in the early 90's with the three automakers. They got the automakers together, claiming they were going to co-design the 'supercar'. Still waiting. . .