The EU has mandated that Tesla Superchargers support the industry standard CCS adaptors and support non-Tesla manufactured charging (so long as non-Tesla owners

The EU has mandated that Tesla Superchargers support the industry standard CCS adaptors and support non-Tesla manufactured charging (so long as non-Tesla owners pay for the charge as appropriate, of course). There's currently no political pressure at all in the US to regulate Tesla Superchargers and the game of competing charging networks is only really just getting started.