EU chief Ursula von der Leyen told the Davos economic forum on Tuesday the 27-nation bloc would seek to "engage early" and "stand ready to negotiate" with Donald Trump's US administration.
The EU on Friday demanded X provide more details about its algorithms, as Elon Musk's outbursts on European politics ramp up pressure for the bloc to act.
EU talks to relaunch Europe's embattled car industry are to get underway on Thursday, with automotive CEOs awaited in Brussels to discuss fines and competition from China.
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