Big price tag seen for Musk's Tesla 'master plan', shares fall

Elon Musk's latest "master plan" for Tesla Motors Inc to develop an electric commercial truck, a public bus, a pickup and systems to enable fully autonomous driving could cost $2 billion to $3 billion or more, experts and analysts said Thursday. Musk did not lay out a budget for his latest strategy, revealed on Wednesday, to expand Tesla into a broader range of vehicle markets as well as ride services and solar energy systems. The Tesla chief executive also did not explain how the company planne