Industry St. Charles Clean Fuels looks at building a $4.6B reduced-carbon ammonia facility By Deanna B. Narveson - April 26, 2023 FacebookTwitterLinkedinEmailPrint St. Charles Clean Fuels is exploring the feasibility of building a $4.6 billion ammonia production and export facility in St. Charles Parish, New Orleans City Business reports. The development … Already an INSIDER? Sign in.