The Shinkansen, or bullet train, is a popular mode of transportation for tourists in Japan, and travels at speeds of up to 320 km/h (200 mph).

The oil crisis of the 1970s had a major impact on Japan's economy, leading to increased focus on energy conservation and alternative sources of energy.

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.