Did you factor in all of the EPA permits they had to obtain just to build the test plant?
I admire the scientists and engineers that solve these problems, however the only problem they have yet to solve is how to get Uncle Sam out of their way and back pockets so their solutions can become reality for the rest of us...
This is why we will never see any of these refineries constructed. To paraphrase Obama, they can have them but it will just be so expensive that they cannot afford to build them.
They are trying to sell internationally as well. They are not limited by the EPA outside the US. A Kuwait company has a business relationship with them, although they have not planned to build one themselves. Kuwait already has GTL commercial operations with other technology.