&gt; Toyota, Nissan, BMW, Mercedes, Porsche, Ford, GM and even Yugo (raise your hand if you remember them) has a pure electric with 200+ mile range for $40K.<p>Why would any of those companies leapfrog Tesla in battery technology when that&#x27;s literally Tesla&#x27;s core competency and they&#x27;re poised to become the largest battery manufacturer in world?