President Enrique Peña Nieto has promised to bring Mexico’s vehicle-emissions standards in line with those of his nation’s North American neighbors, ending years of foot-dragging by Mexican environmental authorities. The pledge came at the North American Leaders’ Summit in Ottawa on June 29, a yearly meeting of the heads of government of Mexico, the United States and Canada. In a statement, the three leaders promised to harmonize greenhouse-gas emissions standards by 2025 for cars and by 2027 for trucks and buses. The early target for aligning air pollutant emissions and ultra-low sulfur fuel standards for cars and trucks comes sooner: in 2018. By 2025, all three countries will phase in the U.S. Environmental Protection Agency’s tougher Tier 3 air pollutant standards... [Log in to read more]