The flame at Tokyo’s National Stadium and another ... The torch relay was introduced eight years later for Berlin. Unlike propane, hydrogen does not produce carbon dioxide when combusted.

The flame at Tokyo’s National Stadium and another ... The torch relay was introduced eight years later for Berlin. Unlike propane, hydrogen does not produce carbon dioxide when combusted.

While leveraging traditional gases such as propane or acetylene as propellants, the system infuses hydrogen. The system reduces emissions ... the system delivers a high-temperature cutting flame. The ...