According to a report by German magazine, Wirtschaftswoche
There's only the headlines so far but it is saying that the EU is mulling tariffs for products including Tesla electric cars. I would assume by "products" they likely mean a tit-for-tat response but I'll provide more details once I'm able to get my hands on them in the next few minutes.
In case you missed it, the US is said to be considering three options on this matter.