Fuel efficient cars are the best way to save money at the pump. These cars are designed to maximize fuel efficiency, meaning they use less fuel to travel the same distance as other cars. Fuel efficient cars are typically smaller and lighter than other cars, and they often have advanced features such as start-stop technology and regenerative braking. They also often have more aerodynamic designs, which helps them to reduce drag and improve fuel economy. Fuel efficient cars are also typically more affordable than other cars, making them a great choice for those looking to save money on fuel costs.