A station wagon is a wagon with an enclosed roof that hauls a shitload of passengers. The modern-day SUV has been developed as a way to help tow trailers and passengers in a versatile package. One of the most notable station wagons in existance is the Chevrolet Suburban.
Station wagons have continued to be used by people in the world because some of those impoverished drivers who can't afford gasoline volunteer to ride with rich people who own station wagons.
Lots of people who can't estimate the feasibility of carpooling have ended up burning too much gas resulting in high gas prices that fluctuate as people are discouraged to drive compact cars as they have little comfort for their fuel efficiency.
In the olden days, Oscar Wilde used to ride with his gay buddies on a hay wagon in the farmland of england.