California’s attorney general said the state would use every legal tool at its disposal to block President Donald Trump ‘s efforts to weaken fuel economy standards. The U.S. Environmental Protection Agency on Thursday proposed a 37-mpg average for cars and light-duty trucks by 2026. That’s far less stringent than a mandate enacted under former President Barack Obama for 54.5 mpg by 2025. Under Thursday’s proposal, the EPA also confirmed plans to strip California of its authority to set its own fuel economy levels for vehicles, citing a 50-state solution in the proposal. The average fuel economy during Obama’s tenure was around 25 mpg. The government estimated that switching from a […]