California Cancels Ban on Old Diesel Locomotives
21.01.2025
California Cancels Ban on Old Diesel Locomotives. This was reported by the railway transport news portal Railway Supply.

California authorities have decided to cancel the proposed ban on diesel locomotives older than 23 years. This decision follows uncertainty about federal support for environmental initiatives under the current administration.
Why California Changed Its Plan for Diesel Locomotives?
The 2023 regulation introduced strict rules for operating older locomotives within California’s railway network. Beginning in 2030, passenger and switcher locomotives were required to run with zero emissions. Freight locomotives had to meet the same standard by 2035.
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To mitigate emissions from older diesel locomotives, California suggested a tax based on pollution levels. However, the enforcement required approval from the U.S. Environmental Protection Agency. Due to unclear federal policies, California decided to withdraw its application for implementing these restrictions.
How the Industry Responded to California’s Decision?
Railway industry leaders voiced concerns about the feasibility and costs of the proposed changes. Associations, including the Association of American Railroads, argued that the timelines were too aggressive.
Technological and infrastructural limitations made complying with these rules within the set deadlines nearly impossible. Sudden enforcement could have disrupted railway operations and impacted the overall efficiency of the industry.
What This Decision Means for California’s Future?
The cancellation sparked mixed reactions across environmental and industrial circles. Some view it as a practical step toward achieving a smoother transition for the railway sector. Others believe it delays necessary progress in modernizing and reducing emissions.
California’s railways remain a critical part of the state’s economy and infrastructure. While environmental goals are crucial, the transition must balance ecological priorities with economic realities.
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