Partly in response to a speculative article at Jalopnik, Elon Musk has confirmed that the planned “high passenger-density urban transport” vehicle referenced in the latest Tesla master plan will be not an electric city bus, but a smaller vehicle built on the Model X chassis.The second Tesla Master Plan refers to the ‘minibus’ being currently under development, and says it “should be ready for unveiling next year,” along with heavy-duty electric trucks.