
It's "zero-emissions" because they are pumping CO2 into the ground.
And I'm not sure what keeps it there in the long term. But, they are selling some for industrial use.
The high pressure combustion is interesting.
Alex
"There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that "my ignorance is just as good as your knowledge."
-- Isaac Asimov