Taking public transit into a more sustainable future with ZEBs
Straddling the Gold Country and High Sierra regions of California, the County of Calaveras has seen a lot of changes—and climate change is the latest concern. Looking for a more sustainable public transit solution, Calaveras Transit Agency (CTA) engaged us to develop a study and provide a Zero Emission Bus (ZEB) Rollout Plan for fixed-route revenue fleet conversion by 2040. By identifying a comprehensive and sustainable plan for CTA that complies with the CARB (California Air Resources Board) regulation, our study findings support the ZEB rollout plan.
Our analysis considers the operational and financial impacts of a full fleet conversion by examining the difference in the capital and operating costs of new battery electric bus technology versus a fossil-fuel powered bus. We looked at the capital cost of associated ZEB infrastructure, the capital cost of rehabilitation or purchase of interim non-ZEB vehicles and infrastructure, and the overall operating cost impacts—the financial analysis considered lifetime and life cycle costs. Of special significance was the need for a rigorous analysis of fleet scheduling and operations with the various range limitations of ZEB buses.
With this plan for a zero emission bus fleet, we’re helping CTA curb emissions in their community.
At a Glance
- Offices
- Client
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- Calaveras Transit Agency
Analy Castillo, Associate, Zero Emissions Technical Lead
I help transit agencies develop pragmatic plans for launching zero-emission bus fleets in the face of overwhelming challenges.
Pamela Bailey-Campbell, Senior Principal, Innovation Leader, Infrastructure
We’re creating next generation transportation solutions and moving communities towards a smart mobility future that puts people first.
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.
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.
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.
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