Rolls-royce claims its all-electric plane is the fastest ever made. 

 - Singapore:  BBC Studios, UK Publishing,  2022. 
 - p. 60. 
 - BBC Earth: Your Productive Brain.  No. 03.  Vol. 14, .
<br/><br/> The new electric aircraft, Spirit Innovation, clocked a top speed of 623km/h (387.4mph). Could it help us reach 'jet zero'? 
<br/><br/><label>ISSN: </label>2737-5560 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>BBC Earth R659 2022