As the article explains, they did already.
Shipped off to be burned in another process, which seems to be the way of the future.
Maybe PTOI can sell someone their roof vent scrubbers, because making fuel spreads the pollutants far more.
There is nothing here for investors. It's long over.
Perhaps it's time to get a new dream, one a little more realistic perhaps?
Zippo, PTOI is out of business and not ever coming back.
Sorry for the massive losses..