Tesla presented several improvements for its vehicles during an investor day. The maker of electric cars also outlined a vision of how the world can switch to green energy. But while a new next-generation car has been hinted at several times, that car has not yet been revealed. Many experts had expected Tesla to announce a smaller, cheaper car that had already been promised by CEO Elon Musk.
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Tesla outlines future and vision, but still does not reveal a smaller car
