Hydrogen Energy California (HECA) has withdrawn its application for certification from the California Energy Resources Conservation and Development Commission - essentially shelving the project indefinitely.
The proposed "clean coal" (actually, 75% coal and 25% pet coke) project was to have produced 300 MW net power, and 2,080 stpd ammonia using technology by Casale, most of which would have been upgraded to 1,700 stpd urea and 1,400 stpd UAN.
Full details are in my Research Note for HECA in Kern County, CA, but the project's main problems were: