The Scania 40R Arrived and our 4MW Charging Park

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  • เผยแพร่เมื่อ 4 ม.ค. 2025

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  • @capnkirk5528
    @capnkirk5528 2 หลายเดือนก่อน +42

    In the end it's about ... economics, TCO and practicality.
    I really appreciate that you are doing this and publishing it on TH-cam.
    It's not just the change, the people who WILL need to adapt to electric trucks need to know that it is BETTER than diesel, it is just the GREEDY billionaires who are objecting (and lying to you).
    When people find out that smelly, dirty, noisy cities because of diesel trucks are NOT a "cost of doing business" but are in fact *just a cost of using DIESEL*, there will be a huge push to make diesel GO AWAY.

    • @bloodynorahvan2203
      @bloodynorahvan2203 2 หลายเดือนก่อน

      Amen to this

    • @homer5103
      @homer5103 หลายเดือนก่อน

      Take your meds schizo

    • @Nicholas-f5
      @Nicholas-f5 หลายเดือนก่อน

      Good to see the EU support this, Trump never would

  • @andrewmacnaughton7944
    @andrewmacnaughton7944 2 หลายเดือนก่อน +19

    Great point about the charger cables - water cooling can really make a positive difference.

  • @stigbengtsson7026
    @stigbengtsson7026 2 หลายเดือนก่อน +18

    I really like what you are doing " real life video" 😎
    Best whishes from Sweden.

  • @akkatonezapkin536
    @akkatonezapkin536 หลายเดือนก่อน +1

    "So, a neue Woche begins" really made me smile))) My sincere appreciation that you have an English version of this great channel!

  • @JorgeniLund
    @JorgeniLund 2 หลายเดือนก่อน +21

    I'm looking forward to a real cold and snowing winter. Would be interseting to hear from your experience when weather gets hard.

    • @johndoe1909
      @johndoe1909 2 หลายเดือนก่อน +18

      from experiences made in sweden about 10% decrease in range is to expected in snow and bad conditions. cold doesn't really make much of a difference as long as the truck is used regularly. in that case batteries ate kept at a good operating temperature at all times regardless of the ambient temperatures. it's actually heat that's more of a problem.

    • @CarlaExotic
      @CarlaExotic 2 หลายเดือนก่อน +3

      Heat pump heating and cooling of the batteres can fix that

  • @recklessrogue9027
    @recklessrogue9027 2 หลายเดือนก่อน +8

    I have big respect for you showing a clear view of electric trucks and how they do work and are nicer to work with (also thank you for conversion to miles and miles per kwh).
    I also have respect for the company you work for investing not only in a fleet of electric trucks but a brilliant charging setup including battery and solar. For anyone doubting the cost effectivness of EVs, solar and battery storage... a company wouldn't do it if it didn't make financial sense.

    • @antoniocruz8083
      @antoniocruz8083 2 หลายเดือนก่อน

      I think they are taking advantage of the 80% gov't subsidies in the price of the trucks, according to what was said in the video. I would take advantage too and make use of better technogy than diesel.

    • @Nicholas-f5
      @Nicholas-f5 หลายเดือนก่อน

      ​@@antoniocruz8083exactly, much cheaper and free marketing

  • @sydneyg007
    @sydneyg007 2 หลายเดือนก่อน +6

    It's great that you can use your knowledge of electric cars for the benefit of the trucking industry. Credit to Scania and Volvo for created these trucks. Hopefully they watch all your videos to get tips on further improvements. The efficiency is quite impressive, the charging speed (of both) I would think could be improved, and more importantly the infrastucture needs (and is) being improved. Love your videos.

  • @jkev1425
    @jkev1425 2 หลายเดือนก่อน +13

    Push it push it! Great stuff!

  • @tarant315
    @tarant315 2 หลายเดือนก่อน +10

    This docu style is good

  • @megliosolichesole
    @megliosolichesole 2 หลายเดือนก่อน +3

    I’m not a truck driver, so maybe I’m wrong, but I don’t think that just raw data are important whilst personal impressions aren’t : when you spend a big chunk of your life in such a small environment, everything concurs to the experience, from the obvious like the seat to the less immediate, like internal lighting or sound system, if applicable. They also make the review more interesting to people like me, who will never drive a truck, but find interesting to see what a truck driver faces, both for fun and to be more empathic with whom we share the road with. 😊

  • @MrKristianson
    @MrKristianson 2 หลายเดือนก่อน +3

    Awesome to get such indepth insight into electric trucking.. it sounds very promising so far..

  • @robertblood3722
    @robertblood3722 2 หลายเดือนก่อน +1

    I found your TH-cam channel last week, and find it fascinating and a true insight into your job. I live in Kent England and had a Nissan Leaf for 4 years, and exchanged it a year ago for a MG4 long range. My wife has a Renault Zoe. At home had Solar for 9 years, battery, home Zappi and removed gas and had Air to Air for 3 years. Thanks for your English translation. Bob.

  • @user-rc7dg3np9c
    @user-rc7dg3np9c 2 หลายเดือนก่อน +6

    This was excellent review and thank you. It’s interesting your point on people being polarised and I like how you brought it down to its basics. This is a tool and we use it like that accordingly. When you look at it that way - eg tool - it’s no different than air tools and battery tools and I don’t know anyone who would care the difference. The way I look at it, is if you like it use it or is you prefer engine’s use those. But be open minded and at least try the new tech and then you can make up your own mind.

  • @sallerc
    @sallerc 2 หลายเดือนก่อน +3

    Thank you again for making these videos (and in English), it's really time for bed now but I'm tempted to watch your latest video before that :D Greeting from Sweden.

  • @RWBHere
    @RWBHere 26 วันที่ผ่านมา

    It's good to hear that you are adding useful information about the cables to your reviews. Everyone can benefit, especially if everyone adds useful information. Thanks Tobias. 🙂👍

  • @volkert.9575
    @volkert.9575 2 หลายเดือนก่อน +9

    Full view time, thumbs up and commented... pro algorithm 😊

  • @USUG0
    @USUG0 2 หลายเดือนก่อน +20

    The whole idea that heavy trucks need 1000+ km to be usable is pretty pointless.
    As every 4.5 hrs you have to stop anyway. All is needed is fast charging and charging infrastructure

    • @unhippy1
      @unhippy1 2 หลายเดือนก่อน +2

      It depends where you are in the world...in densely populated areas like europe have the population and electrical grid to support a charging network that your going to be able to stop at every 4.5 hours.......other places in the world not so much

    • @USUG0
      @USUG0 2 หลายเดือนก่อน +3

      @@unhippy1 indeed, it is just a matter of infrastructure everywhere. All you need is local solar array/wind turbines and used battery pack stacks as energy buffer.
      Other than economic restrictions, it is mostly a matter of policy

    • @miguelcardoso1903
      @miguelcardoso1903 13 วันที่ผ่านมา

      @@USUG0 Or nuclear power plants (way greener than what german poltics think and replaced them with gas and coal (after the Ukraine war) burning power plants). Solar and wind and battery packs alone won't give the necessary eletricity in the moment, at least during the next years

    • @USUG0
      @USUG0 13 วันที่ผ่านมา

      @@miguelcardoso1903 no amount of facts will ever beat personal flawed opinions. Energy share from renewables is already higher than nuclear, in Germany, EU, USA, China and worldwide. It is also cheaper than nuclear per GWh produced. And can be implemented much faster (1-5years vs decades) than nuclear as well

    • @miguelcardoso1903
      @miguelcardoso1903 13 วันที่ผ่านมา +1

      @@USUG0 Well, if it is a non-windy night you still need energy, and need it from a avaliable source. You either get it by a nuclear plant or a fossil burning plant. So far, there is no other option
      And nuclear is more efficient, takes less resources and don't emit harmful gases. And is completely safe as well. For some reason it was considered the greenest non renewable power source... until Merkel decided it was more enviormentally-friendly to import natural gas from the russian "friends"

  • @pinkelephants1421
    @pinkelephants1421 2 หลายเดือนก่อน +3

    The depot could really do with having a boundary to boundary solar canopy system & battery storage installed to power the eventual fully electric fleet and to earn the company extra income by providing grid services. As I keep saying to owners of outdoor parking and storage areas, you have a set of fixed costs - insurance, maintenance, local taxes, etc. When these areas are not being fully utilised, those fixed costs are effectively up to two times more expensive. Also, the design of most of such areas is on a two-dimensional plain. By installing a boundary to boundary solar system, you immediately turn it into a 3 dimensional usable space, effectively those reducing costs as a consequence. By boundary to boundary I mean just that. A system that includes the circulatory areas in (addition) to the actual parking/storage bays. Take a look at Tesla's Giga Berlin new solar canopy system as an example - plenty of TH-cam videos showing it.

    • @matthewbaynham6286
      @matthewbaynham6286 2 หลายเดือนก่อน +1

      Solar canopy's need to be supported will a structure that might get in the way of these trucks moving around.
      However the technology for solar roads and solar footpaths exists, so they could install a solar car park with the panels on the ground and you just drive over them.

  • @rudolfdierotnase
    @rudolfdierotnase 2 หลายเดือนก่อน +10

    Shoutout to "Gabelstaplerfahrer Klaus" - a funny german instruction video for safe operation of a forklift driver. Is there an english version of this available anywhere?

    • @G0bus
      @G0bus 2 หลายเดือนก่อน

      It could also work if you don’t understand what the narrator is telling.

    • @tonrotterdam
      @tonrotterdam 2 หลายเดือนก่อน

      th-cam.com/video/TJYOkZz6Dck/w-d-xo.html With English subtitles

  • @ablestringer9063
    @ablestringer9063 2 หลายเดือนก่อน +2

    Trucker Tim would be interested in that R Series. Very interesting.

  • @julianholcroft9625
    @julianholcroft9625 หลายเดือนก่อน

    I love the way the Scania trucks work I really wish they were legal in the US. there beautiful trucks and the interior is really well thought out.

  • @BrisbaneTeslaGuy
    @BrisbaneTeslaGuy 2 หลายเดือนก่อน +2

    The silence is deafening

  • @MrKroolboy
    @MrKroolboy 2 หลายเดือนก่อน +4

    Great content, looking forward to your content every week 😊✌️⚡️

  • @Chobaca
    @Chobaca 2 หลายเดือนก่อน

    Driving electric trucks with your dog. What a dream life.

  • @MrMaxbackbone
    @MrMaxbackbone 2 หลายเดือนก่อน +7

    Mal in der Woche
    Klasse

  • @RECURSIVE_MATRIX_LOGIC
    @RECURSIVE_MATRIX_LOGIC 2 หลายเดือนก่อน +4

    Sattelkupplung:
    🚫 saddle
    ✅ fifth wheel
    🚛 Keep on truckin'!
    👍 Keep on vloggin'!

    • @Validole
      @Validole 2 หลายเดือนก่อน +1

      First time someone called it "fifth wheel" I was trying to figure out how the steering wheel fits into the context of the sentence...

    • @RECURSIVE_MATRIX_LOGIC
      @RECURSIVE_MATRIX_LOGIC 2 หลายเดือนก่อน +1

      ​@@Validole
      Fifth wheel is the quite common name for the tractor-mounted part of the semitrailer coupling, with the trailer-mounted kingpin as its counterpart.
      Neither semantic nor mechanical connection to the steering wheel there.
      Just consider so called "fifth wheelers", pickup trucks pulling an RV semi trailer.
      What the Americans call a semi-truck, the British call an artic, the colloquial abbreviation of "articulated lorry".
      And the tractor itself, when not pulling a trailer, is called a bobtail in the US and most probably in Canada also.

  • @karlorf2023
    @karlorf2023 2 หลายเดือนก่อน +3

    Its a really good thing for countries which don't have oil. Using electricity in transportation, creating work places domestically by building solar and wind plants u are uses your own resources and don't send this money outside. Its better for counties economy.

  • @mwhol
    @mwhol 2 หลายเดือนก่อน +1

    Just 6 Weeks online with your new 2nd Channel and you already have 2.670 Subscribers! 👏👍

  • @pinkelephants1421
    @pinkelephants1421 2 หลายเดือนก่อน +4

    Your comment about reversing visibility really drives home the wisdom of Tesla's choice to centrally locate the driver's position in the cab and offset the additional seat to the rear of the cabin.

    • @JaakkoIsWatching
      @JaakkoIsWatching 2 หลายเดือนก่อน +7

      With the driver in the center in Tesla Semi, both sides are "bad" sides to back into. But that's what we have mirrors, cameras and talented drivers for.

    • @MrStian78
      @MrStian78 2 หลายเดือนก่อน +1

      dumb idea

    • @pinkelephants1421
      @pinkelephants1421 2 หลายเดือนก่อน

      @@MrStian78 In what sense?

    • @MrStian78
      @MrStian78 2 หลายเดือนก่อน

      @@pinkelephants1421 the guy above me said it.

    • @pinkelephants1421
      @pinkelephants1421 2 หลายเดือนก่อน +1

      @@MrStian78 Tesla went with the centrally placed steering & driving wheel position based on feedback from the trucking industry and their drivers along with many other features. It's partially why it's taken so long to get it past prototype & homologation stages to the point whereby they are now building the Semi mass production facility at Giga Nevada.

  • @WiSt990
    @WiSt990 2 หลายเดือนก่อน +7

    Kommentar und Like zur Unterstützung ✌️

  • @wobblysauce
    @wobblysauce 2 หลายเดือนก่อน

    Just like you said in another video, it is a mix of clean minimal buttons vs a button for each job so you don't need to look to press.
    The V8s don't need a DPF like some other brands that is why people love them.

  • @michaelmackey754
    @michaelmackey754 17 วันที่ผ่านมา

    Great video!

  • @sammaimas155
    @sammaimas155 2 หลายเดือนก่อน +1

    There must be quite a bit of drag with that big flat front of the truck.

    • @Nicholas-f5
      @Nicholas-f5 หลายเดือนก่อน

      It's a length reduction requirement, I learned

  • @cabovermike
    @cabovermike 2 หลายเดือนก่อน +1

    It looks like a new generation of truck drivers is upon us , but i cant see the older drivers embracing the electric revolution as much as you have , your taking to it well and doing a fantastic job to as a newbie to the transport industry,. The problems i see are the charging points out on the road being swamped with vehicles waiting to get on the chargers, germany seems to have a good charging infrastructure but i doubt other countries are as good, imagine being on 5% and going to the only charger available and there's another ev on charge in front of you, then you have to wait untill he has finished before you can charge, 45min charge for you turns into 90 minutes ,. This happens in uk with cars alot , ev trucks in uk are practically 0%, our service centres and truck parking are poor compared to germany,.You are doing a great job of promoting ev trucks and cars to be fair but if your company goes 100% ev trucks they will lose drivers, i'm old school (retired) now and for me ev isn't an option as i come from the petrol/diesel generation,. Have a look at "marc travels" on you tube, like you he's an ev hero and german, i do find the ev content interesting, cheers.

    • @Nicholas-f5
      @Nicholas-f5 หลายเดือนก่อน

      Dedicated truck stops are here/coming

  • @natehill8069
    @natehill8069 2 หลายเดือนก่อน +1

    Surprised theres not a standardized wireless rear view camera on trailers now.

  • @Y2Kvids
    @Y2Kvids 2 หลายเดือนก่อน +2

    Theoritically all Batteries can charge in 10minutes - 1 hour , No matter how big .

  • @bronkolie
    @bronkolie 20 วันที่ผ่านมา

    I am pretty sure modern electric motor controllers can choose to waste kinetic/electrical energy as heat rather than necessarily recuperating it. So as long as the motor has an adequate cooling system, it can function as a retarder even when the battery is full

  • @anton_grahn
    @anton_grahn 2 หลายเดือนก่อน +1

    Interior looks do old compared to the Volvo and especially the Tesla Semi! Will be cool when the Semi comes to Europe 😎

  • @a9503128
    @a9503128 2 หลายเดือนก่อน +1

    You’re right it’s all about 2tonnes A-to-B but at what price per Kg per Km?

  • @johndoe1909
    @johndoe1909 2 หลายเดือนก่อน +1

    great work! in my laymen opinion i would think the oppcharge approach with reverse pantograph would be very useful! and t😊hem installed at at onload/offload docks you would skip cables and stuff. and the connection would be 100% automated.

    • @Nicholas-f5
      @Nicholas-f5 หลายเดือนก่อน

      This or wireless underneath

  • @Nicholas-f5
    @Nicholas-f5 หลายเดือนก่อน

    Please also show lane keeping and other tech features 😊

  • @murdoch9106
    @murdoch9106 2 หลายเดือนก่อน +2

    Volvo has been in the BEV truck game for much longer, they have been selling BEV trucks for years already, Scania just started getting them out on the roads very recently I believe.
    May have had a few test trucks in some places but dont think they have sold trucks to the wider public until now? I could be wrong. Volvo even have an BEV truck in the USA now.

    • @CreRay
      @CreRay 2 หลายเดือนก่อน +1

      Volvo has a higher overall market share in electric trucks than Tesla does in electric cars! A lot has happened in 2024 and Volvo is not in the lead anymore where it comes to range and installed capacity

  • @Souchirouu
    @Souchirouu 2 หลายเดือนก่อน +1

    I find range anxiety with electric such an odd thing. With electric you have a much more accurate estimation of how many miles/km's you have left compared to an ICE car. I think everyone knows that feeling when their combustion cars low fuel icon comes on.. it doesn't really tell you much of anything. It doesn't take in account for anything such as AC or other in vehicle systems, it doesn't track how much your driving is using.

    • @stefanrus4723
      @stefanrus4723 2 หลายเดือนก่อน +1

      Is not taking all that in consideration because is not important. You have plenty of gas station all over the place and you can fill up in 5 minutes or 15 minutes for a truck

  • @haraldmack6356
    @haraldmack6356 2 หลายเดือนก่อน +2

    👍👍👍

  • @JakobFischer60
    @JakobFischer60 2 หลายเดือนก่อน +1

    Ich glaub die Engländer sagen regen oder Regeneration zur Recuperation. Denk ich zumindest.

    • @SimonEllwood
      @SimonEllwood 2 หลายเดือนก่อน +1

      Regeneration is more common but Recuperation is fine too.

    • @bloodynorahvan2203
      @bloodynorahvan2203 2 หลายเดือนก่อน +1

      regen!

  • @tedspradley
    @tedspradley 2 หลายเดือนก่อน +1

    Love that sound of nothing!!

  • @FS-bn2hq
    @FS-bn2hq 2 หลายเดือนก่อน +4

    Staplerfahrer Tobias(Klaus)

  • @Nicholas-f5
    @Nicholas-f5 หลายเดือนก่อน

    Are you able to share the truck map database? I bet it could help others and society!

    • @electrictrucker
      @electrictrucker  หลายเดือนก่อน +1

      The map is in the description of each video: www.google.com/maps/d/u/0/viewer?entry=yt&ll=51.35447656874323%2C10.919616499999998&z=5&mid=1zReb703wQsGcRTTeI4jvXRuemYvVM3o

    • @Nicholas-f5
      @Nicholas-f5 หลายเดือนก่อน

      @electrictrucker Amazing, wow! 👏

  • @bbcooter388
    @bbcooter388 2 หลายเดือนก่อน

    It is very interesting that the Scania is using 1kWh per kilometer, this is the same usage as the Tesla Semi. To me, this means that the Scania Engineers are TOP NOTCH. I don't know what the other manufacturers are getting regarding energy usage, but I doubt they are as efficient as the Tesla and Scania.

    • @NicMediaDesign
      @NicMediaDesign 2 หลายเดือนก่อน +3

      Please don't mix up kWh (battery usage) and kW (measurment of power)

    • @bbcooter388
      @bbcooter388 2 หลายเดือนก่อน +1

      @@NicMediaDesign fixed

    • @RODI____
      @RODI____ 2 หลายเดือนก่อน

      The US semi limit is higher. 70 mph vs 50 mph.

    • @sallerc
      @sallerc 2 หลายเดือนก่อน +1

      @@RODI____ Yeah we need more information about the conditions (speed, temperature, load...) to make a fair comparison, but Scania consumption sounds promising. Tesla says it's Semi consumes 1.7 kWh/mi (1.1 kWh/km), but I don't remember the conditions behind those numbers.

    • @USUG0
      @USUG0 2 หลายเดือนก่อน

      should compare them in same conditions. In Europe trucks can travel at max 90km/h. In US, trucks travel mostly over 100. Even 130km/h

  • @PierreSimonsson
    @PierreSimonsson 2 หลายเดือนก่อน +1

    do you do Voiceover in english and do the orignal video in German or do you do 2 separate Videos ?

    • @Felix-st2ue
      @Felix-st2ue 2 หลายเดือนก่อน +3

      He originally records in German. The English videos are cut different though.

    • @PierreSimonsson
      @PierreSimonsson 2 หลายเดือนก่อน +1

      @@Felix-st2ue thanks

  • @natehill8069
    @natehill8069 2 หลายเดือนก่อน

    Is the mandatory break only for you because you are a learner, or is it for all truckers?

    • @Nicholas-f5
      @Nicholas-f5 หลายเดือนก่อน

      Nationwide for all truckers

  • @T.Stolpe
    @T.Stolpe 2 หลายเดือนก่อน +1

    2.

  • @Aymericbaltat
    @Aymericbaltat 2 หลายเดือนก่อน +2

    I love your material. I know it's most efficient to dub your content in English, but it would increase the quality of your videos tremendously if you recorded them in both English and German. It is difficult to watch as it is right now. Wish you all the best.

    • @SimonEllwood
      @SimonEllwood 2 หลายเดือนก่อน +2

      I am guessing it is better this way as I am pretty sure it would be harder to get such clear and precise speech as a second language. The voice over is good and I guess they are adding the "miles" figures just for the English version.

  • @USUG0
    @USUG0 2 หลายเดือนก่อน

    bottom line
    you can't rely on Italians
    even if they do speak German! ;-P

  • @discgolfweiss3699
    @discgolfweiss3699 2 หลายเดือนก่อน +1

    gab es nich eine AI möglichkeit die deine videos automatisch in jede sprache übersetzt ?

    • @WiSt990
      @WiSt990 2 หลายเดือนก่อน +7

      Ja gibt es, aber es würde komplett die Sympathie dieses Mannes flöten gehen.
      Ich glaube seine stimme bringt einen großen Mehrwert an Symphatiepunkten, vorallem bei gehässigen und grimmigen Elektrohassern.

    • @jooptablet1727
      @jooptablet1727 2 หลายเดือนก่อน +1

      He is using that tool in this video.

    • @WiSt990
      @WiSt990 2 หลายเดือนก่อน +3

      ​@@jooptablet1727I think he once mentioned on the German channel that he speaks it himself in English.
      But I'm sure he'll answer here in the comments 😅✌️

    • @discgolfweiss3699
      @discgolfweiss3699 2 หลายเดือนก่อน +1

      ​@@jooptablet1727 hmm i thought it would be synchronized better. this feals for me to much as an overlay.

    • @jooptablet1727
      @jooptablet1727 2 หลายเดือนก่อน

      @@WiSt990 would be good to see that!

  • @DomingoDeSantaClara
    @DomingoDeSantaClara 2 หลายเดือนก่อน +1

    Personally i think this is a ridiculous idea, for long haul we need better infrastructures, overhead wires and pantographs on trucks so they only need small batteries to deliver off the highways, they can charge without stopping.. So much wasted energy carrying all that extra weight, governments need to get serious about putting in the necessary infrastructure to support green energy solutions,

    • @sallerc
      @sallerc 2 หลายเดือนก่อน +4

      Even with big batteries, it's still more efficient than ICE/diesel, since the diesel engine is only around 30% efficient vs. 90%+ for an electric motor. Transforming the energy into motion that is. One might say that it's kind of ridiculous wasting 70% of the diesel energy into heat ;-) Sure, better charging infrastructure would indeed be nice (and needed when there are more electric trucks on the roads), but as he shows here it's doable to get quite decent additional range from charing 45min on a 300kW+ charger on the Scania truck when he is require to have rest time anyway, and in a year or two we will hopefully start to get faster megawatt chargers and more capable electric trucks.

    • @USUG0
      @USUG0 2 หลายเดือนก่อน +4

      fun fact. In electric vehicles, weight doesn't greatly affects efficiency. Unless you gain significant elevation. Aerodynamics rules, followed by the efficiency of the drivetrain. For instance, a Tesla M3rwd is more efficient than a Dacia Spring despite being 800kg heavier.
      On paper, overhead wires on motorways seem a good idea. But not so sure its implementation is really cost effective, improves overall efficiency, and is fail safe. Battery technology is improving quickly.

    • @SimonEllwood
      @SimonEllwood 2 หลายเดือนก่อน +1

      The EV truck infrastructure will need a lot of work for sure. There is not a lot of extra weight and solid state batteries in the mid-term will solve the weight and charging speed issue.
      What makes you think Battery Electric Trucks are a ridiculous idea? Did you watch the video.

    • @danielstapler4315
      @danielstapler4315 2 หลายเดือนก่อน +2

      Battery technology is improving. We will have batteries that weigh 30% less in a few years.