Look for new gridlock-busting purple California Clean Air stickers

Carpool lanes I-5, Seattle, Washington [Credit: SounderBruce-Wikimedia Commons]California electric-car drivers have a new color to keep track of. Starting New Year's Day 2019, the state will issue updated Clean Air stickers that allow electric cars purchased after January 1 to access the state's carpool lanes, even without a carpool inside. The new purple decals will remain valid through Jan. 1, 2023, a year longer than the...