News and analysis covering cutting-edge aviation technology and business models, including zero-carbon propulsion, eVTOL aircraft, automation and autonomy, and new infrastructure.

Morale & the Big Steppers" ("tragic"), 2015's "To Pimp a Butterfly" ("gassed"), and 2017's "Damn" ("massive"), respectively. However, two days after the song was released, Cole apologized to Lamar ...