Most manufacturers make hybrid and low emission vehicles now. I would find a dealership, and then I would contact someone in customer service with any questions. They should be able to assist you and point you in the right direction.
We will have to run electric cars, which exist today. There is talk also of cars that run on compressed air. Hydrogen is another fuel source that will run cars if we can manufacture it cheaply enough, and store it safely in the cars.
auto parts stores/carwashes/service stations
cars today have spinners and nitrous
The exact same transport as today. The only exception is the Hovercraft and Mag Lev train which did not exist then.
how many cars in the us today
Since giants don't exist they do not have cars.
less than 500 exist
Yes. They do exist today (2014).
Yes it does exist today, but it did not exist until the 1920's.
Types of wagons that exist, are trains and freight cars. These are used today to transport passengers or cargo from one place to another. Transporting passengers today by train, is not a main form of transportation today, most would rather drive or walk. There is still the subway or LRT used to get people places faster than walking.
The incas don't exist today
yes