The Toyota Prius, first introduced in 1997, is the world's first mass-produced hybrid car and has become a symbol of eco-friendly transportation.
Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.
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.
