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- Elon Musk says Tesla's revived Roadster has had a design revamp.
- The billionaire said the sports car is a "Tesla/SpaceX collab."
- Production issues have pushed back the Roadster's release date multiple times.
Elon Musk says the much-delayed Tesla Roadster has had a design overhaul.
The billionaire announced the news in a post on X, referring to the car as a "Tesla/SpaceX collab."