With the EPA expected to propose in July fuel-efficiency rules that are likely tougher than the Trump administration's standards, automakers could have the opportunity once again to unite behind a single national program that includes California.
After a handful of automakers — Ford Motor Co., BMW, Honda, Volkswagen and Volvo — sided with the state to meet stricter vehicle emissions standards through the 2026 model year, recent actions by two federal agencies and the Biden administration's forthcoming near-term standards could put the whole country on one playing field again.
Key questions for the industry are whether the standards proposed in July will be tougher than those that the five automakers negotiated with California regulators and whether they will include requirements for zero-emission vehicles.
NHTSA and the EPA in April took the first steps toward reversing the Trump administration's 2019 decision to revoke Califor…