The Senate voted to block California from enacting rules banning the sale of new gas-powered cars by 2035.Three waivers, including the California EV mandate, are set to be revoked once Trump signs.Automakers' lobby criticized California's stringent rules, calling them unachievable.California's emission standards have influenced automakers to build state-compliant models.Trump dissolved Obama-era fuel efficiency standards and revoked California's waivers in 2018.Biden's administration focused on climate justice, supporting EV adoption and battery production.With Republicans back in control, efforts to void California waivers have resurfaced.Debate over the waivers revolves around states' rights, environmental safety, and legislative power.Senate Majority Leader Thune argued that Congress can decide on rules enacted by federal agencies.California plans legal challenges against the Senate's decision to revoke the emission waivers.