Colombia: Cementos Argos has agreed a deal with the local government of Bogotá to use 2.5 million tyres as fuel for cement production. The cement producer’s Puerto Triunfo plant in Antioquia can co-process 20,000t/yr of tyres or about 1.5 million tyres, the president of Cementos Argos Juan Esteban Calle said to local press.