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- Tesla is still the EV market benchmark, according to former Ford CEO Mark Fields.
- He told CNBC on Thursday that some of the smaller players in the field risk failing or being bought by rivals.
- It's only going to get tougher, especially at the high end price range where competition is stiff, Fields said.
Tesla is still the benchmark for the electric vehicle market and smaller players are at risk of failing or being swallowed up by larger peers, according to former Ford chief executive Mark Fields.