A little over a year since its Dornier 228 testbed last flew, advanced propulsion developer ZeroAvia has disclosed plans to convert the twin-turboprop into a liquid hydrogen test vehicle.

Jay Inslee believes in the power of local action—even in overcoming national pushback. “Right now, we know these are hard days. We’ve got a person in the White House who must have been ...

ZeroAvia said it has more than 2,000 engine preorders, including from major carriers such as United Airlines, Alaska Airlines, and American Airlines, which in July committed to a conditional ...

During his final State of the State address in January, then-Gov. Jay Inslee took a moment to reflect on Washington’s climate progress. “We’re building a clean energy economy that’s the ...

ZeroAvia, which is based in California and the UK, is working with the U.S. Federal Aviation Administration and the UK’s Civil Aviation Authority for certification. The company aims to start ...

ZeroAvia is working to raise about $150 million in a new funding round to progress toward commercial introduction of its first hydrogen fuel-cell engine. The company aims to start commercial ...

Washington Gov. Jay Inslee was the first governor to declare a 2020 run for the White House. Early on, Inslee pledged to make climate change his central focus.. Out of the running: On Aug. 21, he ...