MEXICO CITY (Reuters) -Final permits for Tesla to build an electric-vehicle (EV) factory in the northern Mexican state of Nuevo Leon could be ready in weeks and the local government is beginning infrastructure work requested by the company, a senior official said on Thursday. Tesla in March announced plans to open a major plant in Nuevo Leon, its first in Mexico, which has also attracted EV investments from other automakers seeking to meet ambitious production targets. Nuevo Leon's Economy Minis