Heavy rains ruptured a Pemex pipeline in northern Veracruz, sending crude into the Río Pantepec and pushing a sheen toward Tuxpan. Federal forces and Pemex say the spill is contained, the duct is repaired, and work crews are recovering product and cleaning riverbanks. Local media estimate the release at roughly four million liters, though Pemex has not confirmed a total. What is confirmed is a fast, multi-agency response on the water and in the a…