Chinese company Dreame arrives in San Francisco to launch its a four-day tech conference, called Dreame Next, where they unveiled their most futuristic project yet, aerospace technology powering a twin rocket engine that will help boost the Nebula Next 01 Concept Jet Edition EV.

The company says the car, which will be able to launch from 0-60 mph (0-100 kph) in 0.9 seconds, will have "the fastest acceleration on the planet. Lightning in motion".

Mark Niu reports from San Francisco.

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