5 promises Elon Musk made about the Cybertruck that never happened

Elon Musk shows off a prototype Cybertruck in 2019.

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• Tesla canceled its range extender — and it's one of many Cybertruck promises the company hasn't delivered.
• The EV truck is also more expensive, with the cheapest version of the Cybertruck starting at $69,990.
• Other features that didn't make it into the final vehicle include crab walking and floating.

The Cybertruck has changed a lot since Elon Musk first unveiled it in 2019.

Tesla's first pickup...