Even so, utilization has improved markedly over the past year. In November 2024, only one refinery saw utilization rates above 50%. By November 2025, five out of seven exceeded that threshold, with the strongest gains seen at the Tula, Cadereyta, Salina Cruz and Dos Bocas plants. Tula climbed to a 79% utilization rate, the highest in the country, while Dos Bocas surged from 17% to 61% in a single year. Cadereyta rose from 35% to 61%, and Salina Cruz improved from 44% to 60%, signalling that operational reco ...