For more than 70 years, scientists and engineers have been baffled by the thunderous roar of jet engines — a problem that has ...

Regarding “The next EV challenge: How to create character, personality,” autonews.com, Nov. 21: Modern designs are already bland, and the lack of engine “noise” adds to the problem. I put noise in ...

Boeing has implemented Engine chevrons, or serrated chevron ducts, on some of its more recent aircraft designs, a feature that can reduce noise emissions and help aircraft abide by noise regulations.

Ferrari has released details about its approach to powertrain sounds with its first electric vehicle, the Elettrica, and I am intrigued. If well-executed, I even think it might convince some ...