The article calls it an E-test car but it also says it had the 43 year old driver and 4 passengers(aged 31, 47, 42 and a baby). Is it a test car, which I'd expect would just have 1 or 2 employees monitoring everything, or a car being used by civilians?
If you zoom in the picture, the logo on the center of the car's rim is BMW's logo...
… and even as employee your are not allowed to share unofficial things with relatives nor to take them on a ride with you.
I used to be hitchhiked in such cars to meetings, because those "colleagues" hat the same route to the same meeting. But officially, I wasn't allowed in.
If you zoom in the picture, the logo on the center of the car's rim is BMW's logo...