This electric plane startup has just received its first order from a California-based jet charter company – and critics believe that it may usher in a whole new era of sustainable air travel in the United States.

Zunum Aero has just received its launch order of 100 hybrid-electric airplanes from JetSuite. The 12-seat passenger jets are set to be delivered by 2022.

“We are thrilled to announce that JetSuite is going to be our launch customer,” Zunum Aero CEO Ashish Kumar told Business Insider.

The order is slated towards the lucrative regional airport industry, which Forbes describes as being served by “roughly $1 trillion worth of aging, noisy aircraft.”

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Zunum, which is backed by Boeing HorizonX, JetBlue Technology Ventures and the State of Washington Clean Energy…