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SoCalGas contributing $500K to Sierra Northern Railway-led hydrogen fuel-cell switcher locomotive project

Southern California Gas Company (SoCalGas) announced it will be working together with Sierra Northern Railway, Gas Technology Institute (GTI), and other technical experts to develop and test a zero-emission hydrogen fuel cell engine for a switcher locomotive. (Earlier post.)

Switcher locomotives are a type of engine for trains that carry goods from ports to nearby warehouses. Creating a fuel cell engine for these trains would potentially eliminate their emissions and provide a much-needed reduction in air pollution from the railways that serve California’s warehouses and ports.

The project was selected for funding by the California Energy Commission, which awarded Sierra Northern Railway and GTI nearly $4 million in March to fund the design and demonstration of the train in Sacramento, with the goal of creating a clean alternative to diesel locomotives. SoCalGas is committing another $500,000 to advance the research.

The issue of warehouse-related air pollution received heightened attention earlier this month when the air quality regulators at the South Coast Air Quality Management District (SCAQMD) adopted a rule to reduce nitrogen oxide (NOx) and diesel particulate matter emissions from diesel trucks serving distribution centers. In order to comply with this new rule, warehouses larger than 100,000 square feet can choose to directly reduce emissions from their operations or pay a mitigation fee to fund technologies and projects that reduce air pollution in nearby communities.

Sierra Northern Railway proposes to retire a high-emission Tier 0 diesel locomotive engine and replace it with an engine that will integrate a hydrogen fuel cell and hydrogen storage tank with advanced battery and systems control technologies. Upon completion, the new zero-emissions switcher locomotive will displace up to 10,000 gallons of conventional diesel fuel per year by using hydrogen fuel, providing the capacity to eliminate more than 100 metric tons of carbon dioxide—more than that produced by driving a car 250,000 miles.


In addition to helping improve air quality and cutting greenhouse gas emissions, the hydrogen fuel cell locomotive technology will eliminate the noise and odor associated with diesel engines.

Project demonstrations will take place on Sierra Northern Railway's short-line operations, which serve the railyard and seaport in West Sacramento. Sierra Northern Railway and GTI will partner with an experienced team of rail and hydrogen industry experts to build and test the train engine. These experts include Ballard Power Systems, Sacramento Metropolitan Air Quality Management District, UC Davis Institute of Transportation Studies, Railpower Tech LLC, OptiFuel Systems LLC, Valley Vision, Velocity Strategies, and Frontier Energy.

SoCalGas is advancing numerous low- and zero-carbon energy technologies similar to development of the fuel cell switcher locomotive in support of its goals towards net zero greenhouse gas (GHG) emissions in its operations and delivery of energy by 2045. In March the utility committed to reducing not only the company’s own direct emissions, but also those generated by its customers to support a carbon-neutral economy.



These designs typically are a FC, using stored H2, to create electricity, that is buffered by a battery, to power the electric drive motor; Why not increase the size of the buffer battery and deep six the FC and H2 storage cylinders...then fast charge from an external charger as needed.. Battery tech is advancing rapidly and as it does, more energy dense batteries will allow for longer operation intervals without charging.
In the model SoCalGas sees. H2 would be made from fossil fuel, not by electrolysis. So if you use fossil fuel in a reforming process to make H2, aren't you just polluting at the reformer instead of at the rail yard?.


You're not creating oxides of nitrogen nor particulates

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