The future is almost here

[Jolly Blue Giant]

I have been pushing Hydrogen powered cars/trucks/buses for years, but technology has been stubborn in coming up with efficient ways to take advantage of it

Well, it's getting closer, thanks to the collaboration of Yamaha and Toyota (and Honda is working diligently on it as well) 

https://engineerine.com/yamahas-450hp-hydrogen-v8/

[Ed Vette]

Your mouth to Gods ears.

[Ed Vette]

Existing internal combustion engines (ICE) can be modified to run on hydrogen with various adjustments. Here are some key modifications and considerations for converting an ICE to run on hydrogen:

1. **Fuel System Modifications**: Hydrogen is stored as a gas at high pressure or as a liquid. The fuel delivery system must be adapted to handle hydrogen's different properties, including its lower energy density and the need for high-pressure tanks. This could involve the use of specialized fuel injectors and pumps.

2. **Ignition System**: Hydrogen has a wider flammability range than gasoline, meaning it can ignite more easily. The ignition system may need to be adjusted to ensure consistent ignition and combustion when using hydrogen as the fuel source.

3. **Air-Fuel Mixture**: The air-fuel mixture needs to be recalibrated because hydrogen requires a different stoichiometric ratio compared to gasoline. This adjustment ensures optimal combustion efficiency and performance.

4. **Combustion Chamber Design**: The engine's combustion chamber may require redesigning to accommodate the characteristics of hydrogen combustion, which burns at a different temperature and produces different emissions compared to fossil fuels.

5. **Cooling Systems**: Hydrogen combustion can generate higher temperatures, so the cooling system might need upgrades to handle the increased heat without causing damage to the engine components.

6. **Emissions Control**: While hydrogen combustion primarily produces water vapor as a byproduct, ensuring that no harmful emissions occur during the conversion process is essential. Therefore, emission control systems may also need to be updated.

7. **Engine Mapping**: The engine control unit (ECU) will likely need reprogramming to optimize performance for hydrogen fuel. This includes adjusting timing, fuel delivery, and other parameters to account for the different combustion properties of hydrogen.

8. **Safety Considerations**: Hydrogen is highly flammable and has unique safety concerns, such as the need for proper leak detection systems. Modifications should prioritize safety features to prevent accidents.