Driving (carts)

Is, as expected, the skill to drive a car that is moved by one (or several) useful animal. Brahmin carts, Horse drawn carts, dog sleds, details don't matter.
Bonuses are conceivable for especially intelligent or docile animals or a simple trip, handicaps on the other hand for a restive animal and a narrow serpentine way.

The starting value is: 10 + 2 * E + 2 * P