CORPUS CHRISTI, TX—Tesla has begun construction of a $1 billion factory here to produce lithium hydroxide for electric vehicle batteries. 

Engineers at Tesla Inc. have developed a new process that they claim will reduce EV production costs by 50 percent, while reducing factory space by 40 percent.

AUSTIN, TX—Tesla Inc. claims that it has developed a new assembly process that can reduce EV production costs by 50 percent, while reducing factory space by 40 percent.

BUFFALO, NY--Tesla Inc. has kicked off production of its long-awaited electricity-producing shingles that Elon Musk says will transform the rooftop solar industry. Manufacturing of the photovoltaic glass tiles began last month at a factory here built with backing from New York State, the company said in an email Tuesday.