A recent study showed that more households have pets than they do children. It makes logical sense then that people considering the pet-friendly features of a vehicle before making a big purchase. Just as parents check for safety features for their kids (child-locks, sufficient seat belts, windows that only go down halfway, etc.) they are looking for qualities to ensure maximum comfort for their pooches too. DogCars.com is a special site dedicated to reviewing cars from a dog owner’s perspective. The rating system is done in paws (of course) making four-paws the highest quality.