Late last month, Tesla's executives spun up the rumor mill amidst plummeting sales and financial hardship that the Elon Musk-led company was "gearing up for a super cool demo" of the company's long-awaited next-generation Roadster.

Two weeks earlier, the billionaire CEO had teased a "most epic demo ever by end of year," without elaborating any further.

While we can only speculate what they're planning to show off, one reasonable guess is that it could be related to Musk's years-long promise of a "SpaceX package." He's made outsize promises in the past, saying that the package could somehow allow the rumored Roadster to "hover" and accelerate at ludicrous speeds, thanks to cold gas thrusters mounted in the rear portion of the vehicle.

But a new filing with the US Patent Office, as spotte

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