SAN FRANCISCO -- Tesla Motors on Tuesday said the design of its new Model 3 has not been finalized, even though the electric-car maker expects to begin building the mass-market sedan within the next 18 months.
SAN FRANCISCO -- Tesla Motors on Tuesday said the design of its new Model 3 has not been finalized, even though the electric-car maker expects to begin building the mass-market sedan within the next 18 months.