PPG Industries is to be the technical and training advisor for a US$10 million expansion at the Cristal Laminado o Templado S.A. de C.V. (CITSA) automotive glass fabricating plant in Tepeji del Rio, Mexico, 30 miles north of Mexico City. The operation is a partnership of PPG and the Villasenor family and the expansion includes addition of tempering equipment that will allow CITSA to produce tempered side and back automotive windows, as well as new windshield production equipment using advanced technology to supply more complicated original-equipment parts.