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Heavy-duty fuel cell electric vehicles still face technological and market challenges that need to be overcome to advance the adoption and commercialization of hydrogen technologies. In particular, the integration and packaging of the different components of a fuel cell electric powertrain is complex and remains costly. In addition, hydrogen fuel prices remain high, the cost of fuel cell stacks and hydrogen fuel storage solutions is still high, and there is a need to increase hydrogen storage energy density. Cummins proposes to design, build, test, and demonstrate a fuel cell electric powertrain for heavy-duty trucks and buses that can help reduce costs and advance the commercialization of hydrogen vehicles. The proposed fuel cell powertrain technology offers the following benefits: 1) Vertically integrated powertrain, 2) Modular and scalable, 3) Highly integrated and manufacturable, 4) Increased driving range, 5) Increased fuel economy, 6) Rapid refueling, 7) 1:1 replacement of conventional vehicles, and 8) Total cost of ownership reduction.

For more information on this project, check the Technology Integration 2021 Annual Report or Annual Merit Review presentation.