Tesla boss Elon Musk offers 'best' electric semitrailer

Tesla Inc Chief Executive Elon Musk delivered the company's first heavy-duty Semi

on Thursday to PepsiCo without offering updated forecasts for the truck's pricing

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production plans or how much cargo it could haul.

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Musk, who appeared onstage at an event at Tesla's Nevada plant, said the battery-powered

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long-haul truck would reduce highway emissions, outperform existing diesel models on power

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safety and spin-off a fast-charging technology Tesla would use in its upcoming Cybertruck pickup.

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"If you're a trucker and you want the most badass rig on the road, this is it," Musk said

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noting that it was five years since Tesla had announced it was developing the all-electric truck

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Still, industry experts remain skeptical that battery electric trucks can take the strain of hauling hefty loads for hundreds of miles economically.

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At Musk's first Tesla reveal since taking over Twitter - an acquisition some investors worry has become a distraction

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the company did not announce pricing for the Semi, provide details on variants of the truck it had initially projected

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supply a forecast for deliveries to PepsiCo or other customers.

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Tesla said it will begin using semi-trucks to ship parts to its Fremont, Calif., factory.

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the 500-mile version would cost him $180,000, but Tesla's electric car prices have fallen since then. rising sharply.

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