Cement produces more pollution than all the trucks in the ...
Jun 23, 2019· Brazil aims to reduce that ratio to about 50% by 2050, according to Alvaro Lorenz, global director of sustainability at Votorantim Cimentos, one of the largest cement producers in Latin America. That strategy won't work for long in Europe and the U.S., where fly-ash is the main clinker substitute and coal plants are closing.