Summary:

- The article discusses leaked documents that reveal the strict rules Elon Musk has in place for the use of his private jet. This includes limiting the jet's use to only essential business trips and prohibiting the use of the jet for personal travel.

- The documents also show that Musk's team closely monitors the jet's usage and requires detailed reports on each flight, including the purpose, passengers, and any stops made along the way.

- The article suggests that Musk's tight control over his private jet usage is likely due to his public stance on environmental issues and the need to maintain a consistent image as a proponent of sustainable technology.