Long Beach Mayor Rex Richardson, sixth from right, U.S. Secretary of Transportation Pete Buttigieg, and U.S. Rep. Robert Garcia, and state, local, and labor officials participate at the groundbreaking for "America's Green Gateway," the Pier B On-Dock Rail Support Facility in Long Beach, Calif., on Thursday, July 18, 2024. (AP Photo/Damian Dovarganes)
US Secretary of Transportation Pete Buttigieg steps off a railcar pulled by a PHL Joule Zero-Emission Engine to attend the groundbreaking for "America's Green Gateway," at the Pier B On-Dock Rail Support Facility in Long Beach, Calif., on Thursday, July 18, 2024. Secretary Buttigieg visited the Port of Los Angeles for the groundbreaking ceremony of a $1.5 billion rail project dubbed "America's Green Gateway" that will greatly expand service to get goods from ships across the US by train versus diesel-powered trucks that can be more polluting. (AP Photo/Damian Dovarganes)
US Secretary of Transportation Pete Buttigieg, middle, steps off a railcar pulled by a PHL Joule Zero-Emission Engine to attend the groundbreaking for "America's Green Gateway," at the Pier B On-Dock Rail Support Facility in Long Beach, Calif., on Thursday, July 18, 2024. Secretary Buttigieg visited the Port of Los Angeles for the groundbreaking ceremony of a $1.5 billion rail project dubbed "America's Green Gateway" that will greatly expand service to get goods from ships across the US by train versus diesel-powered trucks that can be more polluting. (AP Photo/Damian Dovarganes)
US Transportation Secretary Pete Buttigieg addresses the groundbreaking for a $1.5 billion rail project dubbed "America's Green Gateway" that will greatly expand service to get goods from ships across the US by train versus diesel-powered trucks that can be more polluting at the Pier B On-Dock Rail Support Facility in Long Beach, Calif., on Thursday, July 18, 2024. (AP Photo/Damian Dovarganes)
US Secretary of Transportation Pete Buttigieg, at podium, addresses a groundbreaking ceremony of a $1.5 billion rail project dubbed "America's Green Gateway" after arriving on a railcar pulled by a battery-electric locomotive, the PHL Joule Zero-Emission Engine at the Pier B On-Dock Rail Support Facility in Long Beach, Calif., on Thursday, July 18, 2024. Secretary Buttigieg visited the Port of Los Angeles' $1.5 billion rail project dubbed "America's Green Gateway" will greatly expand service to get goods from ships across the US by train versus diesel-powered trucks that can be more polluting. (AP Photo/Damian Dovarganes)
The American Endurance, a chemical/oil products tanker is docked at the Port of Long Beach in Long Beach, Calif., on Thursday, July 18, 2024. US Transportation Secretary Pete Buttigieg visited the Port of Los Angeles for the groundbreaking ceremony of a $1.5 billion rail project dubbed "America's Green Gateway" that will greatly expand service to get goods from ships across the US by train versus diesel-powered trucks that can be more polluting. (AP Photo/Damian Dovarganes)
US Secretary of Transportation Pete Buttigieg, left, and U.S. Rep. Robert Garcia attend the groundbreaking for "America's Green Gateway," at the Pier B On-Dock Rail Support Facility in Long Beach, Calif., on Thursday, July 18, 2024. Secretary Buttigieg visited the Port of Los Angeles for the groundbreaking ceremony of a $1.5 billion rail project dubbed "America's Green Gateway" that will greatly expand service to get goods from ships across the US by train versus diesel-powered trucks that can be more polluting. (AP Photo/Damian Dovarganes)