Last month, the California Air Resources Board approved a new regulation designed to further reduce pollution from oceangoing vessels while docked at California’s busiest ports.
The rule builds on progress achieved by the groundbreaking At-Berth Regulation adopted in 2007. That rule has achieved an 80% reduction in harmful emissions from more than 13,000 vessel visits since 2014. The updated rule adds new vessel categories which will be required to control pollution when they run auxiliary engines or auxiliary boilers (for most tanker vessels) while docked. These auxiliary engines power the electricity and other onboard operations during a vessel’s