Smart cars, also known as connected cars or autonomous vehicles, are vehicles equipped with advanced technologies that enable them to communicate with other vehicles, infrastructure, and external systems to improve safety, efficiency, and convenience. These technologies can include sensors, cameras, GPS navigation, artificial intelligence, and internet connectivity. Research in the field of smart cars aims to develop and implement intelligent transportation systems that can reduce traffic congestion, increase fuel efficiency, and improve overall road safety. This research often involves studying ways to optimize vehicle-to-vehicle and vehicle-to-infrastructure communication, develop algorithms for autonomous driving, and improve the cybersecurity of smart car systems. Overall, the goal of smart car research is to revolutionize the way we travel by creating a safer, more efficient, and environmentally friendly transportation system.