Trump administration to revoke California’s power to set stricter auto emissions standards

The Trump administration plans this week to revoke California’s long-standing right to set stricter air pollution standards for cars and light trucks, the latest step in a broad campaign to undermine Obama-era policies aimed at cutting greenhouse gas emissions to combat climate change, two senior administration officials said.

The move threatens to set in motion a massive legal battle between California and the federal government, plunge automakers into a prolonged period of uncertainty and create turmoil in the nation’s auto market.

The Environmental Protection Agency declined to comment on the...