The Clean Fuel Production Tax Credit, or 45Z, provides a tax credit for fuels relative to how low their carbon intensity score (CI) score is against a baseline level. This incentive is critical to scaling new low-carbon fuel projects like sustainable aviation fuel (SAF), light-duty vehicles, heavy duty shipping, marine, biochemicals, and bioplastics. Scaling up these projects will be critical to providing new markets for rural America, supporting American innovation, and decarbonization.