How Many Different Types of Natural Gas Vehicles?

1) Electric Vehicles

2) Flexible Fuel Vehicles

3) Natural Gas Vehicles

4) Propane Vehicles

5) Diesel Vehicles (using biodiesel)

6) Hybrid Electric Vehicles

7) Fuel Cell Vehicles

8) Plug-In Hybrid Electric Vehicles

• 1 Airplanes
• 2 Helicopters
• 3 Passenger cars
• 4 Vans
• 5 Buses
• 6 Trucks
• 7 Tanks
• 8 Rocket car

Also I agree with you'r answer Mr. Alex Al Yazouri <<<<<<<<<<<<Thanks

There are three types of NGVs:

• Dedicated: These vehicles are designed to run only on natural gas.
• Bi-fuel: These vehicles have two separate fueling systems that enable them to run on either natural gas or gasoline.
• Dual-fuel: These vehicles are traditionally limited to heavy-duty applications, have fuel systems that run on natural gas, and use diesel fuel for ignition assistance.