Internal Combustion Engines vs. Fuel Cell Engines

Internal Combustion Engines vs. Fuel Cell Engines

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Possible sources of hydrogen fuel

• Internal combustion engines often operate with lower-grade hydrogen. This allows for the use of hydrogen produced on-site using steam methane reforming and carbon capture and storing (CCS). It can be used in internal combustion engines without the need for purification. Fuel cells, on the other hand, perform more efficiently with a higher-grade product.

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Differences in emissions

• Fuel cells produce no emissions other than water vapor, which is a benefit for vehicles operating in enclosed spaces or with limited ventilation. Internal combustion engines release near zero trace amounts of CO2 (from ambient air and lubrication oil) but can produce nitrogen oxides, or NOx. As a result, they are not ideal for indoor use and require exhaust after treatments.

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Power and progress

• There are many ways to achieve a reduced emissions future. Internal combustion engines and fuel cell engines are two pivotal technologies that are helping our customers reach their sustainability goals. Both options provide sufficient power to drive heavy-duty trucks and support applications with long-duty cycles, ensuring robust performance while significantly reducing environmental impact.

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Internal combustion engines or fuel cell engines?

• There is increasing interest in hydrogen internal combustion engines and fuel cell engines, as both contribute to the transportation sector’s journey toward lower emissions.
• Internal combustion engines work the same way as gas-powered internal combustion engines, except they burn hydrogen, a zero-carbon fuel. Fuel cell engines generate electricity from hydrogen and then act as a power source for vehicles that use an electric motor.

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The right power for the job

• FCEVs are built for both on- and off-highway applications, including heavy-duty (Class 8) trucks. Heavy-duty cycles and longer distances to travel are no issue – with 300kW of power, they are a better option than battery electric for high-load applications. Engineered to be modular, multiple units can be connected to meet the requirements of higher-power applications.

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Moving power forward

• Internal Combustion Engine (ICE) have been widely used for decades and are supported by extensive service networks. The change to hydrogen powered vehicles means continuing to work with familiar parts and technology. Fuel cells revolutionize heavy-duty applications and are the clean energy powerhouse behind robust trucking, rail, coach and intercity transit. Ideal for demanding and extended duty cycles, fuel cell solutions ensure a green journey that's both powerful and sustainable.

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