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 Innovation or revolution ? 

The retrofit developed by RH2 is based on the proven internal combustion engine (ICE) experience. Hydrogen combustion is regaining momentum worldwide. The recent results show huge potentials using a combination of old- and advanced technology.

Cheap, robust and reliable

Based on an internal combustion concept, our retrofit is conceived to remain cost-beneficial. It does not require the usage of costly components, the production of which are expensive and indirectly highly polluting.
 
Although some innovations require mechanical adaptations and advanced tuning, most parts are mastered for years. Existing manufacturing tooling are used and no costly labour is required for the production and assembly.

Efficient 

Converting a fossil fuel based engine towards hydrogen always involves downgrading the power-to-weight ratio.

This is due to the size of the hydrogen molecules combined with the pollution constraints (mostly NOx).
 
We have resolved this issue, and our engine generates similar- and in some cases higher power than diesel engines (of same capacity!) without pollution.

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 Powerful and Reactive 

Converting a fossil fuel based engine towards hydrogen always involves downgrading the power-to-weight ratio.

This is due to the size of the hydrogen molecules combined with the pollution constraints (mostly NOx).
 
We have resolved this issue, and our engine generates similar- and in some cases higher power than diesel engines (of same capacity!) without pollution.

 Green 

Not only does our innovation meet the decarbonation objectives, but our pollution levels are at an all-time low. Latest measurements show NOx levels at 0,1 g/kWh, one of the lowest for internal combustion engines.The growing interest and achievements for a clean hydrogen production, combined with our technology, is opening doors towards an almost pollution-free mobility and power generation.

 Available at the right time 

The increasing and threatening air-pollution worldwide forced most countries to adopt more and more stringent regulations on engines emissions.Our technology is ready to meet the market demand, that will expand exponentially.

©2025 by RETROFIT HYDROGENE

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