On the road to decarbonization by reducing greenhouse gas emissions
The Eastern Contra Costa Transit Authority (ECCTA) is looking to transition to zero-emission buses by 2036—four years ahead of the deadline set by the California Air Resources Board’s statewide regulations for transit agencies. To advance toward this energy transition goal, the ECCTA engaged us to lead the design of a hydrogen fueling facility for hydrogen fuel cell electric buses (FCEBs).
To support the ECCTA’s plan to operate 30 FCEBs and more than 30 hydrogen fueled paratransit buses, we analyzed their bus operations to establish requirements for the hydrogen refueling station—including reserve days of fueling capacity, redundancy requirements, and dispenser—and prepared a design to meet identified needs. A unique design element of the new facility will include dispensing of hydrogen for full-sized buses as well as paratransit buses and minivans using liquid hydrogen (LH2) as the primary source of fuel, while including a supplemental gaseous (GH2)-supply subsystem. When construction is complete, we’ll conduct and supervise function and performance tests of the facility to validate the contractor’s work.
With a new hydrogen fueling station in place for FCEB buses, the ECCTA will be able to eliminate CO2-tailpipe emissions, contributing to reduced greenhouse gas emissions and better air quality for the community.
At a Glance
- Offices
- Client
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- Eastern Contra Costa
- Transit Authority (TriDelta)
Reb Guthrie, Principal, Fueling Infrastructure
Creative problem solving—in sometimes unexpected ways—while understanding and respecting user needs is easily the best part about my job.
Joseph Velasco, Associate, Senior Mechanical Engineer
Successful designs are the result of close collaboration and clear communication.
Patrick M. McKelvey , Senior Principal
Our purpose and goal is to create better places through thoughtful, creative, and responsive planning and design.
Tony Zavanelli, Principal, Energy
The best feedback is being awarded with additional work. ‘Good job’ is nice to hear, but being entrusted with another project the best way to know that you are valued.
Meghan Cronin, Senior Associate
I love working with our team to successfully complete each project and to build relationships with clients.
Will Todd, Senior Associate
Through the projects I work on and the relationships I form, it’s my goal to leave the world a better place than I found it.
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