On this week’s edition of the Talking Michigan Transportation podcast, a check-in with Joann Muller, the Detroit-based transportation correspondent for Axios.

Muller explains the thinking behind General Motors officials’ announcement to invest $4 billion in the U.S. and move some vehicle production back from Mexico.

She also offers some insight she gained in reporting on negotiations between the U.S. and China over rare earth magnets, underscoring the need for the U.S. to develop a long-term strategy.

Also discussed: The likely result of easing regulations that have held back commercial drones in the U.S.