U.S. researchers have developed a lithium-air battery that could increase energy density by as much as four times over conventional lithium-ion batteries.
The Tenth Circuit overturned a $45 million win by the former Spirit Aero CEO in an earlier federal district case, returning the dispute to the district level.
The Civil Aviation Administration of China has released its regulations and guidancefor the airworthiness certification of medium and large uncrewed aircraft.