In 2011, CEMEX achieved approximately a 25% alternative fuel substitution rate in its cement production, and the alternative fuel strategy has enabled the company to avoid the use of close to 2 million tonnes of coal and the emission of 1.8 million tonnes of CO2 into the atmosphere.
The company says that the substitution of fossil fuels with alternative fuels result in numerous benefits including reduces greenhouse gas emissions; saaves fossil fuels for the future; reduces the need for landfill; recovers energy from waste and decreases energy costs .
Cemex has set a target of a 35% alternative fuel substitution rate in cement production by 2015, and says it is on track to make it happen.