Manufacturers in China have found workarounds, and experts say that could be a lesson for U.S. policymakers. Export data released last week show EV exports from China to the European Union increased 8.3% year-over-year, a reversal of the approximately 40% and 25% plunges the measurement took in October and November, respectively.

Both BMW and Tesla have been hit with tariffs by the EU on imports of electric vehicles made in China, along with other Chinese manufacturers such as BYD and SAIC. View on euronews

Chinese electric vehicle makers BYD , Geely and SAIC have challenged the EU's import tariffs at the Court of Justice of the European Union (CJEU), filings on the court's website showed on Thursday.

Tesla and Germany’s BMW are suing the European Commission, joining a growing band of Chinese automakers to oppose the European Union on its punitive tariffs on electric vehicles.

Tesla and BMW both have significant production operations in China.

BMW has joined Chinese producers in filing a challenge at the Court of Justice of the European Union (CJEU) against EU tariffs on China-made electric vehicles (EVs), according to a filing on the court's website.