Reducing Rail Emissions in California
UPDATE: On October 22, 2024, an Enforcement Notice was posted which contains information that directly affects locomotives subject to the In-Use Locomotive Regulatio
More about this program
New In-Use Locomotive Regulation
On April 27, 2023, CARB approved the In-Use Locomotive Regulation. The Final Regulation Order and additional information about the Regulation can be found on our Rulemaking Page. Summaries of the new requirements for locomotive operators are also available on the Locomotive factsheet website.
Infrastructure Analysis
Comparison of Truck and Train Emissions
CARB Agreements with Class 1 Railroads