Fusion Startup Wins Tokyo Grant for Low-Temperature Technology

Clean Planet Inc., a Japanese energy startup, received a 1 billion yen ($6.8 million) grant from the Tokyo Metropolitan Government to commercialize its low-temperature nuclear fusion technology.

The funds were awarded through a city program aimed at promoting zero-emission technologies, according to a statement Thursday, and Clean Planet will use the grant to help build a production facility.

The Tokyo-based company is pursuing so-called quantum hydrogen energy, which is significantly different from fusion systems under development now that operate at extreme temperatures exceeding 100 million degrees Celsius (180 million Fahrenheit). Clean Planet says its device works at about ...