A car engine is important, because the engine is responsible for getting a majority of the parts to function. For example, the engine plays a crucial role in making the wheels rotate. Engines propel the vehicle.
A great place to read more thoroughly about car engines is in books called "how things work" or on the "how stuff works" website.
It is important so you won't get hit or run over by a car.
To win the race.
Cars were important in the 1920's so that people could get around.
When your crossing the road you can hear vehicles coming
There is no such word as particial. Have no idea what you are asking.
Safety of operator, passengers, and others on road
a car helps you get around places quicker and so it won't be hot when your in it
i don't know,but that's not the fastest a drag race car has ever gone. so that wouldn't really be so important.
so you can go longer without having to refill the gas tank
the answer is breaks so you can stop the car. So make sure you aways check the breaks. HI Updated answer, Breaks are important, however the breaks can fail. The most "important safety feature in a car" is anything that stops the driver from injury, or ensures he will survive an accident. Air bags, a roll cage and safety cell for driver and passenger's are the most important. Volvo have these features as standard in there vehicles.
So the tires will "wear" evenly and you will have longer "tread-life"
It's important so you don't need to make extra stops to use the bathrooms on the way.