Environmental group says 1995 authorization certificates were for a project half the size.
The group claims $450 million in government funding and tax breaks provide an unfair advantage.
Process produces chemicals such as formic acid, formate salts for sale.
Ontario plant will use renewable, locally-procured, low carbon fuels to cut GHG emissions.
Turbosonic Technologies Inc. has won a US$1.25 million contract to install its clean air technology at a US cement plant.
Ontario and Quebec recognize Holcim Inc’s. PLC cement in building regulations