Vehicle-to-everything (V2X) data management has become the latest battlefront in geopolitical tensions, with recent maneuvering in China, the US, and Europe drawing the most attention. These include China’s newly announced data export guidance aimed at tightening controls, a sweeping market ban in the US with bipartisan support, and urgent supply chain risk assessments in the EU. These trends indicate a shift toward data sovereignty under the control of each individual market.