On the Dash: Tesla has reopened Roadster reservations with a $50,000 deposit ahead of the Oct. 1 reveal. The new Roadster will arrive with significant expectations after the original model missed its promised 2020 production target. Tesla says the Oct. 1 event will provide pricing, specifications and production targets for the redesigned sports car. Tesla has reopened reservations for its next-generation Roadster, noting that buyers must pay $5,000 upfront by credit card, then wire an additional $45,000 within 10 days. Tesla calls the initial $5,000 payment fully refundable, but the reservation doesn’t become final until the wire transfer clears. The EV maker will officially unveil the Roadster on Oct. 1…
