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The Capitol Corridor Joint Powers Authority, which manages Northern California’s Capitol Corridor intercity passenger-rail service, recently retired two F-59 locomotives and swapped them for new EPA-certified Tier 4 Charger locomotives.
The project was funded by the Bay Area Air Quality Management District and co-funded by Sacramento Metropolitan Air Quality Management District and Placer County Air Pollution Control District through the Carl Moyer Grant Program, according to a news release.
The new locomotives could go into service along the 170-mile route as early as the end of April, but no later than June 1, which is when the two F-59s are required to stop operating.
The new Siemens Chargers meet stringent emission standards, providing 90% reduction in particulate matter emissions and 80% NOx reduction compared to the soon-to-be-retired Tier 2 engines. The Tier 4 engines are also equipped with electronically controlled, regenerative braking systems that use energy from the traction motors during braking to minimize fuel consumption.