This is about more than who has better engineers or a publicity stunt. This is damage control.<p>Right now lithium is under heavy fire (no pun intended) both because its expensive and explosive (besides this, many Fisker Karma cars burned).<p>Since Tesla is still losing money and has to raise money by selling stock, Musk has to keep up appearances by showing Tesla has the know-how to make lithium safe.<p>Or else, Tesla will run out of money soon, and game over.