The Stop CARB Act would eliminate California's authority to set its own vehicle emission standards and prevent other states from adopting California's standards under federal clean air law. Currently, California has a special waiver that allows it to establish stricter vehicle emission rules than federal standards, and other states can choose to follow California's standards instead of federal ones; this bill would repeal both of those provisions. The legislation also blocks states and local governments from setting their own emission standards for nonroad engines and vehicles, such as construction equipment, farm equipment, and locomotives. The bill does not include specific funding or implementation timelines beyond taking effect upon enactment. This would represent a significant shift in environmental regulation, centralizing emission standards under federal authority rather than allowing California and other states to pursue stricter pollution controls.
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