Survey CCC specifications and check for relevance

https://carconnectivity.org/

We need to assess whether the Digital Key and Car Data projects of CCC are relevant for our work

We need also to assess whether there are actually some work-in-progress in the Car Data subproject: https://carconnectivity.org/wp-content/uploads/2018/01/CCC_Building_Car_Data_Ecosystem-FINAL_websafe.pdf