Here's why:
* Different Fuel Types: Marine diesel engines are designed to run on diesel fuel, which has a different chemical composition than gasoline.
* Compression Ignition: Diesel engines work on the principle of compression ignition. This means the fuel ignites due to the high compression of air in the cylinder, not a spark plug like in gasoline engines. Gasoline has a lower auto-ignition temperature than diesel, making it unsuitable for compression ignition.
* Fuel System Differences: Marine diesel engines have fuel systems specifically designed for diesel fuel, including injectors and pumps that are not compatible with gasoline.
* Safety Concerns: Trying to run a diesel engine on gasoline would likely cause serious damage to the engine, potentially leading to fires or explosions.
Important Note: Even if you find a marine diesel engine that could theoretically run on gasoline (which is extremely unlikely), it is highly dangerous and not recommended due to the potential for engine failure and safety hazards.