Kei cars, also known as mini cars or micro cars, have gained popularity in Japan due to their compact size, fuel efficiency, and affordability. Their rise can be attributed to rising fuel prices, environmental concerns, and the ability to navigate narrow streets and congested urban areas. Kei trucks, a variant of Kei cars, are also widely used for various commercial purposes. The introduction of the 660cc engine has revolutionized the efficiency of Kei cars, making them a practical and sustainable transportation option. The Japanese government has played a significant role in promoting the Kei Car market through tax regulations and incentives. Kei vehicles offer a convenient and econom