Mexico: Holcim Mexico has spent US$5.5m on upgrades to allow co-processing alternative fuels at its Ramos Arizpe plant near Saltillo. The new alterntive fuels line will start operation by May 2018, according to the Vanguard newspaper. Rodolfo Montero Chacón, the general director of the subsidiary of LafargeHolcim, said that the 2.2Mt/yr plant has two kilns but it only uses one due to local demand. The plant currently operates a proudction capcity utilistation rate of 55%.