Bosch presented the FCPM C100 fuel cell module for city buses at Mobility Move in Berlin, expanding its hydrogen propulsion portfolio for public transport applications. The new component is a compact hydrogen fuel-cell system designed for integration in city buses.

Bosch FCPM C100 fuel cell module for city buses launched

The newly introduced Bosch FCPM C100 is designed specifically for city buses operating in the European market, where fuel cell applications are covering at the moment roughly 5 percent of the BEV bus sales (standing last year at over 11,000 units).

The module features a flat architecture with a height of approximately 40 centimetres, enabling installation on the roof of the vehicle, a configuration commonly used for urban bus platforms.

The system is intended for buses between 12 and 18 metres in length and integrates standard communication and diagnostic interfaces including CAN connectivity. Bosch states that the module is designed for straightforward integration into existing vehicle architectures.

The C100 expands the company’s FCPM product family, which covers power outputs from 100 to 300 kilowatts. The module presented in Berlin represents the lower end of the power range, targeting urban public transport applications with moderate power requirements.

The architecture is derived from the FCPM C190 variant designed for intercity buses and coaches. In those vehicle categories, the system is typically installed at the rear of the vehicle in a configuration similar to conventional diesel powertrains (see picture below). Bosch plans to test the C190 system in demonstration vehicles during the first half of 2026.

bosch fuel cell module buses

At the upper end of the range, Bosch also offers the FCPM C300 fuel-cell system. With a system output of 300 kilowatts, the module is intended for heavy-duty vehicles including long-distance coaches and heavy trucks.

Hydrogen technology across the value chain

The fuel-cell module forms part of Bosch’s wider hydrogen technology portfolio covering multiple stages of the hydrogen value chain. The company states it is developing systems related to hydrogen production, infrastructure and vehicle powertrains.

In 2025 Bosch introduced the Hybrion PEM electrolysis stack for hydrogen production, aimed at industrial-scale hydrogen generation. The company is also developing hydrogen combustion engine technology and related injection components designed for port and direct injection systems.

The development of Bosch’s mobile fuel cell technology received the German Future Prize, the Federal President’s award for technology and innovation, at the end of 2025.

Highlights

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