United States Environmental Protection Agency

A technology that combines hydrogen and oxygen in a clean, electrochemical process to generate power, releasing only water vapor as a byproduct.

Hydrogen gas stored under high pressure. It is a cheaper option than liquid hydrogen but has lower energy density.

California, Hawaii, Ohio

South Korea

China

A fleet of 20 hydrogen fuel buses launched in England in 2021 to help London buses reach zero emissions by 2030, operating alongside 500 electric buses.

A fleet of hydrogen fuel buses launched by Toyota in Tokyo in 2018, with plans to supply hydrogen-powered buses to Caetano for European distribution.

Deployment of 64 hydrogen fuel buses across California, Hawaii, and Ohio, plus a fleet of 22 buses operated by Van Hool and New Flyer.

A hydrogen fuel cell-powered bus designed for public transportation. The first fuel cell bus to receive vehicle-type certification in Japan. Features automatic seat storage for wheelchair and stroller accessibility, high-definition cameras for pedestrian and cyclist detection, and comfortable passenger seating.