Four brothers were born together. One runs but never walks, one eats but is never full. One drinks and is ever thirsty, and one sings a song that is never good.
Who are they?
1st brother is Engine...it runs (turning on ignition) but never walks.. (out of car).
2nd brother is Trunk rear space of car.. never full.
3rd is the fuel tank...
4th is car silencer sound.
It flies, it walks, it runs on land, It takes, it gives, but without hands, It carries and delights, Falls and frights.
Normally a creature of white it is.
What is it?