The question is why haven't you bought an automobile yet. It is the complete package, 5 tool player. It is way faster then those old buggies. You can go father, and they are just way more comfortable to deal with than those old buggies.
Reasons For Movement?
It Can Transport Things faster
Makes Travel easier
Started the first assembly line which has evolved the work force.
Made a movement for better roads
They are just simply better than most things to do stuff with