https://www.live-feeds.com/feed/california-officially-adopts-contentious-replacement-tire-efficiency-programContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/california-officially-adopts-contentious-replacement-tire-efficiency-programhttps://www.live-feeds.com/feed/california-officially-adopts-contentious-replacement-tire-efficiency-program#u45623Thu, 20 Aug 2026 19:10:15 +0000California has become the first US state to regulate replacement tire efficiency, adopting a contentious program aimed at improving fuel efficiency. The program sets standards for tire manufacturers, requiring them to produce tires that meet certain efficiency criteria. This move is expected to reduce greenhouse gas emissions and help the state meet its climate goals. Drivers may see changes in tire options and prices.Why it mattersThe program's adoption comes as California aims to reduce its carbon footprint and meet stringent climate regulations. The state's efforts to regulate rep