Jay Honeck wrote:

Unfortunately, it's that "nice odor" (or lack thereof) that cost billions,
and has made it economically impossible for any oil company to build a new
refinery.

At some point, petroleum products will cost enough to make it economically
feasible again.

George Patterson
Give a person a fish and you feed him for a day; teach a person to
use the Internet and he won't bother you for weeks.