Japanese automakers have been leaders in developing fuel-efficient and low-emission vehicles, such as hydrogen fuel cell cars and plug-in electric vehicles.

Udon, a type of thick noodle soup, is a popular Japanese dish that is often served with various toppings.

During the Edo period, which lasted from the 17th to the mid-19th century, Japan was ruled by the Tokugawa shogunate and experienced a period of peace and stability.