California's in-use locomotive regulation - International Council on Clean Transportation

Summarizes how a regulation recently approved by the California Air Resources Board will push railroad companies to use cleaner locomotives and eventually achieve zero-emission operations in the state.

Policy update - International Council on Clean Transportation

California sets emission rules for trains : NPR

Transit, EVs Make California First in US For Climate-Friendly Transportation - Bloomberg

CARB Fact Sheet: Passenger Locomotive Operators

Lawmakers Urge Biden Administration to Permanently Ban Rail Shipments of Liquefied Natural Gas - Inside Climate News

Reducing Rail Emissions in California

California sets emission rules for trains : NPR

Chapter 4 - How Do Public Policies Affect the Freight Transportation System?, Impacts of Public Policy on the Freight Transportation System

Locomotive Fact Sheets California Air Resources Board