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Opposed-piston hydrogen engine

1 mention

A hydrogen-powered internal combustion engine using opposed-piston, two-stroke compression ignition technology designed for commercial long-haul vehicles. The design eliminates cylinder heads, reduces heat loss and inefficiency, and offers lighter weight and simpler construction compared to conventional engines.

Often mentioned with · Organizations

Achates Power
Engine design and development
company United States 1 mention
US Department of Energy
Energy policy and regulation
gov USA 1 mention
Argonne National Laboratory
National laboratory research
institution United States 1 mention

Often mentioned with · Technologies

Opposed-piston engine
An engine design featuring two pistons operating in opposition within a single cylinder, eliminating the need for cylinder heads. This design was originally developed over a century ago and is now being adapted for hydrogen combustion in long-haul vehicles.
1 mention
Hydrogen Internal Combustion Engine
A type of engine that burns hydrogen as fuel, similar to traditional internal combustion engines but with challenges related to fuel storage and efficiency.
1 mention
Two-stroke compression ignition
A combustion cycle that completes in two strokes of the piston, combined with compression ignition technology. When applied to hydrogen fuel, this approach leverages hydrogen's low ignition energy and high reactivity.
1 mention

Often mentioned with · Locations

United States
United States
US 1 mention

Often mentioned with · Projects

Hydrogen Engine Development for Long-Haul Vehicles
A collaborative research project between Achates Power and Argonne National Laboratory to develop a hydrogen-powered engine using opposed-piston, two-stroke compression ignition technology customized for commercial long-haul vehicles that are difficult to electrify.
under construction 1 mention

Often mentioned with · People

Essam El-Hannouny
United States 1 mention

Often mentioned with · Research studies

Hydrogen combustion demonstration using opposed-piston compression ignition
1 mention

In the news (1)

Long haul vehicles to use opposed-piston hydrogen engine technology

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