The Biden administration is preparing car rules that could eventually surpass Obama-era emissions reductions. But it could take years to achieve stringent carbon decreases.
President Biden's EPA is expected to draft interim auto emissions standards based on an agreement last year between California and five car companies, according to sources following the matter.
Amid efforts by the Trump administration to roll back climate change regulations, several blue and purple states have sought to strengthen their own rules. But they've faced significant obstacles.
Trump is backing off a controversial freeze of fuel economy standards, marking a dramatic shift in his rollback of Obama-era clean car rules, according to a person familiar with the matter.
The deal inked between automakers and California raises questions about the industry's greenhouse gas emissions and whether the Trump administration will react aggressively.