California's climate policy depends on federal waivers - what if Trump doesn't grant them?

The Desert Sun: California officials have discerned a chilling signal that the Trump administration may be willing to halt the state’s unique authority to impose its own vehicle emission rules—a move that could undercut its pioneering effort to battle climate change.

The threat arose during the confirmation hearing for Scott Pruitt, Trump’s choice to head the Environmental Protection Agency. Pruitt was asked by California Democratic Sen. Kamala Harris if he would pledge to continue the EPA’s decades-long policy of granting California waivers from the federal Clean Air Act, giving the state the right to set its own more stringent clean air standards. Pruitt—who as Oklahoma’s attorney general sued the EPA more than a dozen times—refused to commit to continuing California’s authority, instead saying he would have to study the issue.

Read article