The volume of reported natural gas trades in Mexico totaled 7.52 Bcf/d in August, representing a 14.2% jump from July and a year-to-date high.The monthly natural gas price index, known by its Spanish initials IPGN, averaged 73.7 pesos/gigajoule (GJ) ($4.13/MMBtu) for August, compared to 74.1 pesos/GJ ($4.09/MMBtu) in July , according to the latest monthly IPGN report from the Comisión Reguladora de Energía (CRE).On a year-over-year basis, the volume of gas traded was up from 7.33 . . .