Cuba claims it is the first country to produce such a cement variant.
Firm says it saved emissions of more than 120,000 tons last year.
Contingency plan is to deal with hazardous air pollution.
Emissions covered by the EU carbon market fell 1.4%.
Government says it is all set to produce cement from Siguaney, and Sancti Spiritus plants.
Firm has delivered fuel for the country's largest was wood burning biomass plant.
Company cites use of biomass fuel for cutting emissions by 6%.
Firm had earlier applied for permission to operate cement plant in Serbia.
Government looking to increase use of alternative energy in the country, including cement industries.
Firm has spent N10 mm to reclaim areas in Kalambaina village of Wamakko Local Government Area.
It says future policy should maximize synergies between air pollution and climate change policies.
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