Trump administration sues California over the state's nation-leading vehicle-emission rules

The Trump administration ramped up a battle with California over the state's nation-leading vehicle-emission standards Thursday, suing air regulators over rules aimed at curbing pollution from cars.

President Donald Trump has long fought California's efforts to curb tailpipe emissions and spur electric vehicle adoption, and last summer he blocked the state's first-in-the-nation ban on the sale of new gas-powered cars by 2035. He's also routinely criticized California's highest-in-the-nation gas prices, which are largely due to taxes and environmental regulations...