The Japanese government has implemented various policies and incentives to promote the development and adoption of eco-friendly vehicles, such as tax breaks and subsidies.

Kendo, a martial art that uses bamboo swords and protective armor, is a popular sport in Japan and is often taught in schools.

The airbag, which was co-invented by Yasuzaburo Kobori and Allen K. Breed in the 1980s, has become a standard safety feature in automobiles worldwide.