Tesla to roll out $25,000 electric vehicle: Musk at 'Battery Day' event

Tesla laid out a road map to build a $25,000 car by 2023 and eventually 20 million cars a year, part of a highly anticipated presentation that was short on the sizzle from Elon Musk that investors have come to expect.
 
The cheaper car will come from cutting the cost of batteries in half, the chief executive officer said at an event Tuesday, based on a series of innovations that include using dry electrode technology and making the battery a structural element of the car.
 
Those incremental and longer-term advances belied expectations for a blockbuster leap forward, which