Cars are mainly used for transporting people and things. They are also used for entertainment in the form of racing(drag, autocross), or relaxing with a sunday drive.
It depends because some ''Eco'' cars uses gas and some do. So basically, there are 2 types of ''Eco'' cars. The one that uses gas and they one that does not.
Catalytic converters for cars.
cooking drinking powering some cars
tools cars and other stuff such as belts toys
Cars
NOS CAN BE USED FOR HORSEPOWER IN DRAG RACING ,YOU CAN USE IT TO COOL YOUR INTERCOOLER ON TURBO AND SUPERCHARGED CARS WITH INTERCOOLER AND SOME PEOPLE USE IT TO GET HIGH BUT IT WORKS BETTER ON CARS
cars and airplanes
People, humans.
Fuel for cars
cars der
Here's the list: # Cars # Bicycles # etc... (anything with wheels on them)
Cars use gasoline. Usually 87 octane.