How will the Hydrogen Energy California project produce low-carbon electricity and fertilizer and capture and store 90% of its carbon dioxide emissions?

In simple terms, the proposed plant, which will be located nearby the existing Elk Hills oil field, plans to use a blend of California produced petroleum coke (a waste product currently exported) and western coal and non-potable water and convert them to hydrogen and carbon dioxide, or CO2. The hydrogen will then be used to fuel a combined cycle power plant to generate low-carbon electricity or be sent to for the manufacture of 90% carbon free fertilizer. Ninety-percent of the CO2 will be captured during steady state operations and sent via pipeline and injected deep below ground in oil reservoirs within the Elk Hills oil field for enhanced oil recovery and permanent storage.

The diagram shows how the process works: