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From Electrek: Tesla Semi to reach ‘scale production’ in ’18 to 24 months’ and will be...

Discussion in 'News from Electrek.co' started by RSSFeed, Jun 7, 2017.

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  1. RSSFeed

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    Tesla Semi to reach ‘scale production’ in ’18 to 24 months’ and will be unveiled with something unannounced, says Elon Musk

    [​IMG]

    There were actually a lot of interesting announcements and comments from Elon Musk at the Tesla’s 2017 Annual Shareholder Meeting yesterday.

    We got a Model Y teaser, Model 3 configuration update, and Musk gave more details about Tesla’s plans for new factories.

    He also shared some interesting information about Tesla Semi, the company’s heavy-duty electric truck program. more…

    [​IMG][​IMG]

    Continue reading...
     
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    • JBsC6

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      Would think natural gas run semi tractor trailers made more sense since the storage tanks are huge and the fuel is both relatively clean and plentiful....not to mention dirt cheap.

      Natural gas would be perfect for semis since we have so much and their so huge.

      Not sure batteries are the way to go for such large vehicles

      Jmo
       
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      • Dash

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        Natural gas still produces CO2 (less though) and may last only 200 years. Its a shift of the main problem into the future.
        And fracking isn't exactly an environment friendly method to get it. But there seems to be nothing else to get large amounts of gas.

        So from what I know, driving around with sunlight in batteries is good for every vehicle.
         
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        • garsh

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          I wouldn't have thought so either. Some quick napkin calculations make it look like having enough battery capacity to handle long range in such a vehicle would end up really eating into the vehicle's total allowed weight. But Musk seems pretty sure that they have a good, workable design that makes fiscal sense, so I guess we'll need to wait & see what Tesla ends up announcing.
           
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          • MelindaV

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            What is everyone thinking the semi would need for a kWh pack?

            Remember you would have the traditional Diesel engine, transmission, full fuel tank , etc weight to deduct so it's not just adding battery weight on top of a traditional trucks weight.

            Based on google research:
            Engine = 3,000 lbs
            Transmission = 900 lbs
            Average truck 200-300 gal diesel at 6.943lb/gal = 1,388 - 2,083 lbs
            So 5000-6000 lbs minimum ~ 354-425 kWh without increasing the weight over a diesel truck, (based on 18650 kWh/lb #s of 85kwh pack = 1200lbs), assuming a 30% density improvement with the new batteries it's up to 460-552 kWh.
             
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            • garsh

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              There are some previous calculations & thoughts in this thread.
               

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