A dual fuel car is a type of vehicle that can run on two different types of fuels, typically gasoline (petrol) and an alternative fuel such as natural gas (CNG) or liquefied petroleum gas (LPG). Here’s how it works:

1. Dual Fuel System: Dual fuel cars are equipped with two separate fuel systems. One system is for gasoline, and the other is for the alternative fuel. Each system includes its own fuel tank, fuel lines, and injectors.
2. Fuel Selection: The car's engine management system allows the driver to switch between fuels, usually via a switch or button on the dashboard. In some advanced systems, the car can automatically switch between fuels based on availability and performance needs.
3. Engine Compatibility: The engine in a dual fuel car is specially designed or modified to handle both types of fuels. It can adjust the air-fuel mixture, ignition timing, and other parameters to ensure efficient combustion of either fuel.
4. Fuel Injection: When running on gasoline, the car uses its standard fuel injection system. When switched to the alternative fuel, the system uses separate injectors to introduce the alternative fuel into the engine.
5. Performance: The performance of the car can vary depending on the fuel being used. Gasoline typically provides higher power and performance, while alternative fuels like CNG or LPG offer cleaner emissions and can be more cost-effective.
6. Emissions: One of the main advantages of dual fuel cars is reduced emissions when using alternative fuels. For example, natural gas produces fewer pollutants and greenhouse gases compared to gasoline.
7. Refueling: Dual fuel cars require access to both types of fuels for refueling. This can be done at standard gasoline stations for petrol and specialized stations for the alternative fuel.
8. Economy and Range: Using an alternative fuel can reduce running costs since fuels like CNG and LPG are often cheaper than gasoline. Additionally, the dual fuel system can extend the vehicle's range by allowing it to use two different fuel sources.

Overall, dual fuel cars offer flexibility, potential cost savings, and environmental benefits by utilizing two different types of fuels.

Dual Fuel Technology