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A Quick Explainer of How Electric Cars Work

Nothing geeky, just the basic information you should know about how your new EV is different under the hood from the car you drive now. Follow @briancooley on Twitter: Subscribe to CNET: Like us on Facebook: Follow us on Twitter: Follow us on Instagram: Follow us on TikTok: Intro 0:00 Battery Charger 0:37 Battery 1:28…

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Nothing geeky, just the basic information you should know about how your new EV is different under the hood from the car you drive now.

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Intro 0:00
Battery Charger 0:37
Battery 1:28
Power Control Unit 2:07
Motor 2:58
Reduction Gear 3:29
Outro 4:04

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70 Comments

70 Comments

  1. J Milla

    May 14, 2022 at 12:14 pm

    Nothing about a electric care is green. The necessary rare earth minerals it’s takes to even operate these cars are mined in toxic environments and cause major pollution and are also mined by children in countries throughout the world. Please read up on these vehicles it also takes coal burning plants in many parts of the world to make electricity. People need to get smart.

  2. JRpwilliams

    May 14, 2022 at 12:21 pm

    Charging your car like your phone seems way more convenient then going to a pump.

    • Antenox

      May 14, 2022 at 4:56 pm

      @Austin Moon I’ve been renting an EV the past couple of weeks and I don’t have access to a personal charger. It actually hasn’t been a huge problem. Many malls and shopping centers have EV chargers that give me a top up for about $10/100 miles. But I’m also lucky that I live in California where EV charging access is widespread, and I also have a charger at work. Paying $5 in electricity for 100 miles at work instead of $20 at the pump is seriously making me reconsider my gas car.

    • Dick Riggles

      May 14, 2022 at 5:02 pm

      Uhhhhhhh no

    • Dick Riggles

      May 14, 2022 at 5:02 pm

      ​@Antenox No.

    • R P

      May 14, 2022 at 7:08 pm

      Kind of true, a little exaggeration

    • Dick Riggles

      May 14, 2022 at 10:55 pm

      @Austin Moon Rivian doesn’t even have more than 10 chargers at their distribution center in Plymouth, MI and you think they can just put chargers everywhere? LOL. If they can’t even do it, lol.

  3. Vanessa Williams

    May 14, 2022 at 12:30 pm

    Thank you.

  4. Powerhouse

    May 14, 2022 at 12:38 pm

    It works with Electricity ⚡️…..

    I just save you 4.22 minutes of your life… that will be $1 ???? ????

  5. Zakaria Ali

    May 14, 2022 at 12:43 pm

    EVs still use plastic components we have a long way until we completely ditch oil for good. Maybe in the year 2122 oil will be gone but until then let the oil conglermates keep drilling like there’s no tomorrow!!!! We’re f*cked!!!!!

    • Jezza

      May 14, 2022 at 4:51 pm

      Although the majority of plastics produced today are derived from petroleum, it is far from the truth that plastic can only be manufactured from petroleum and petroleum alone. In fact plastics and various polymers can be manufactured from a multitude of organic materials. However, it is far less costly to manufacture these plastics from petroleum in the current market, but as prices for petroleum rise along with the waning availability of petroleum alternatively produced plastics will become more prevalent. Also, as the future unravels I’m sure additional materials will be developed that will replace plastics little by little, but yes plastics in some shape or form are here to stay for quite some time.

    • Dick Riggles

      May 14, 2022 at 5:04 pm

      ​@Jezza Where exactly are you going to get alternative materials for plastic without impacting the food supply, genius? LOL.

  6. Andrei

    May 14, 2022 at 12:51 pm

    The biggest issue with EV cars is the battery. It’s the most expensive component to manufacture AND it’s the one that wears the fastest. While EVs themselves don’t generare harmful emissions, the power which charges your battery most likely comes from powerplants that do generate emissions. Also, as far as I’m aware, you cannot really recycle the battery when it comes time to change it. All in all, while I absolutely love EVs, they have a long way to go before they can truly be considered green.

    • yüniverse

      May 14, 2022 at 9:35 pm

      You are right about public transportation. EVs solve none of the problems with cars in general.

    • Dick Riggles

      May 14, 2022 at 9:45 pm

      @yüniverse They weren’t even recycling plastic and you expect me to believe they will/can actually recycle this? Lol. Gullible…

    • Michael

      May 14, 2022 at 10:11 pm

      The point is not to make a car with no problems, just less problems than oil. A big power plant is more efficient than a million small ones. That’s why we don’t all have a generator in our home.

      Don’t worry about infrastructure, the market answers the need just like how oil companies created massive oil infrastructure everywhere to supply oil to cars the past century.

    • Andrei

      May 14, 2022 at 10:53 pm

      @Michael The idea was that once EVs grow in popularity, the infrastructure will have to adapt. What that ultimately means is more power from the power plants. Things will need to change rapidly and drastically to support this. The environmental impact these changes will produce needs to be taken into account. I’m all in for a green future but EVs right now are creating massive challenges, probably more challenges than they are solving.

    • blueisthecolor

      May 15, 2022 at 1:01 pm

      @Andrei Companies can’t even deliver ev without massive delays due to limited production, the worry of ev not able to handle the grid is non issue. It would take lot of time for ev to be mainstream and by then we would have already slowly upgraded the grid.

  7. Mr. Marc G.

    May 14, 2022 at 1:01 pm

    We need many, many more of the newer, safe small nuclear reactors. As is these electric cars are fueled by coal and oil to a large extent.

    • E. v. K.

      May 14, 2022 at 4:04 pm

      Even if you take Electricity only from fossil Energy is the electric Car better for the Environment instead of any other Car
      That’s because an electric Car is so Energy efficient

  8. Joe Smartballs

    May 14, 2022 at 1:21 pm

    First there is a 11 year old mining cobalt to make your battery. Then it cost $1.50 a hour to charge for a 150 mile range. At this rate it will take a month to drive across the US.

    • Funlu

      May 14, 2022 at 2:38 pm

      This is why fuel cells make more sense to me for long range trips.. battery EVs make more sense for city commuters who don’t need as much range. Neither is a perfect solution

    • blueisthecolor

      May 15, 2022 at 12:56 pm

      @Funlu Fast charge and better battery tech makes more sense than fuel cells. Fuel cells wnt be mainstream since it’s not efficient at all.

  9. T. Wood

    May 14, 2022 at 2:36 pm

    The biggest issues with electric vehicles is the one fact and that’s they are NOT ready for prime time and are being rushed to market BEFORE they are ready !

    • Jezza

      May 14, 2022 at 4:56 pm

      Doubt you have ever driven a Tesla then!

    • Dick Riggles

      May 14, 2022 at 5:05 pm

      ​@Jezza Driving is very different from living with a car, bro, ????

    • T. Wood

      May 14, 2022 at 10:20 pm

      @Jezza no but I watched one burn up on the interstate.

  10. Kyle Shields

    May 14, 2022 at 3:01 pm

    Fun fact. Electric cars have been around longer than gasoline cars.

    • Dick Riggles

      May 14, 2022 at 5:03 pm

      Most of these EV fanatics don’t realize this. Also, there hasn’t even really been a major breakthrough in tech that has made them better than gas cars.

  11. Mario Dalla Riva

    May 14, 2022 at 3:16 pm

    Cool. Ey. ????????

  12. Dr Woody

    May 14, 2022 at 3:23 pm

    I think when it stops having child labor it can be cheaper

  13. Bianca Castafiore

    May 14, 2022 at 3:23 pm

    Why are EV’s still designed to look like combustion cars? If the motors are distributed, then what’s under the hood?

    • Jezza

      May 14, 2022 at 4:54 pm

      Safety structure for crash protection in the event of a frontal impact?

    • R P

      May 14, 2022 at 7:13 pm

      Electrical/electronics- inverter, chargers, air conditioning, coolant reservoirs. Some storage on some vehicles.

    • Michael

      May 14, 2022 at 10:17 pm

      Besides safety people still have ICE aesthetics. Evs should look like teardrops but that looks ugly to us. Back in the day cars were made to look like horse drown carriages for the same reason.

    • R P

      May 15, 2022 at 3:29 am

      @Michael like the return of huge grills.
      I like weird and futuristic looks and also retro. I used to hate BMW i3, I bought one now I love the looks, I also have a Fiat 500e which I like a lot. Most of the cars that people think look really good are boring to me.

    • Andrei

      May 15, 2022 at 4:56 pm

      Extra storage space and more crumple zones would be my guess.

  14. Ashwin Singh

    May 14, 2022 at 3:24 pm

    Thank you. You have taught me the insights of an EV.

  15. TJ Kleckner

    May 14, 2022 at 3:40 pm

    How much loss do you get transferring from AC to DC back to AC? Seems kinda like a waste. Can you get the same performance from a DC motor? Or have the ability to store AC power?

    • R P

      May 14, 2022 at 7:01 pm

      All batteries are DC, there are some losses from an inverter, overall much more efficient than gas still. AC motors give more appropriate performance for a car.

    • TJ Kleckner

      May 14, 2022 at 7:19 pm

      @R P I want them to improve salt nuclear reactors small enough for a home or vehicle. Nice thing about salt nuclear reactors is that they don’t melt down. Safer for a vehicle involved in a crash, yet nearly unlimited range.

  16. Benjamin Bidlack

    May 14, 2022 at 3:42 pm

    Outstanding explainer from Brian Cooley, as usual. Clear, engaging and informative. Thanks Brian and CNET!

    • Michael Manchiraju

      May 15, 2022 at 12:56 am

      I completely agree! Not a fan of the new logo though.

  17. Mike

    May 14, 2022 at 4:34 pm

    Hilarious! CNET must of MADE this idiot to put out a new video to tell the Facts about EV’s since there were so many people calling him out on his previous BS anti ev videos. I don’t know why they don’t just get rid of this ev hating, false rumor spreading moron.

  18. AvatarAang926

    May 14, 2022 at 6:43 pm

    why is it difficult for mechanics to operate on EVs?

    • R P

      May 14, 2022 at 7:09 pm

      The drivetrain is different, it’s electronics instead of mechanicals

    • Dick Riggles

      May 14, 2022 at 10:57 pm

      A kid I knew has a dad who works on cars. Says he is deathly afraid of anything electrical and especially EVs. He got messed up working on something electrical on a car once.

  19. R P

    May 14, 2022 at 7:18 pm

    There are a lot of reasons why ev’s will never work in YouTube comments. I’ve had 2 used 2015 EVs for 3 1/2 years. Much less maintenance, save a lot of money on gas, fun to drive & I’m not embarrassed to say it’s better for the air, more gas for everyone else.

    • R P

      May 14, 2022 at 7:20 pm

      Charging is not free usually, it’s much much cheaper than gasoline

  20. Robin Smith

    May 14, 2022 at 8:55 pm

    No mechanic in my city can fix an EV
    They won’t touch them

    • etickete `

      May 15, 2022 at 1:36 pm

      Will be the electricians who will take control

  21. murcielago Batman

    May 14, 2022 at 9:09 pm

    I prefer hydrogen cell

  22. Kozhen Idres

    May 14, 2022 at 9:43 pm

    we have to admit although ev price are almost double gasoline cars but they are still game changer

    • Dick Riggles

      May 14, 2022 at 10:56 pm

      No they’re not.

  23. M T

    May 14, 2022 at 9:56 pm

    EVs are not ready period.

  24. REEZY

    May 14, 2022 at 10:25 pm

    They are taking FOREVER to make them affordable

  25. Neuralink????chip

    May 14, 2022 at 10:48 pm

    Hey, I’m excited to try the Neuralink chip in my mind Try the chip Don’t miss out I’m 100% sure Neuralink will work I’m 100% sure it will work in humans Don’t miss out Try the chip????

  26. Danner Banks

    May 15, 2022 at 1:33 am

    I own an EV and I thought this was great, I learned a few things. Thanks Brian!

  27. Knoxvil

    May 15, 2022 at 4:40 am

    It’s a giant RC car

  28. MegasXLR

    May 15, 2022 at 10:41 am

    As modern as they are I prefer normal cars any day. The feeling of driving a manual transmission and to be able to hear the engine when you rev is irreplaceable to me.

  29. Jeffery Pool

    May 15, 2022 at 2:58 pm

    The wisest thing that should be on everyone’s mind currently should be to invest in different streams of income that doesn’t depend on the govt. Especially with the current economic crisis around the world. This is still a good time to invest in Gold, Silver and digital currencies (BTC,ETH…)

    • Lucy Vickery

      May 15, 2022 at 3:10 pm

      I’ve been researching all this while for a digital asset Investment and I found bitcoin to be the most profiting of them all, I’m definitely bouncing on the opportunity, thank you so much.

    • Harold Keith

      May 15, 2022 at 3:10 pm

      People like me are scared of Investing in cryptocurrencies because of the rate of unprofessionals today, but this is awesome, just made a few research about her.

    • Edward Mohammed

      May 15, 2022 at 3:11 pm

      @J. Robb FINRA AGENT YOU SAID, OKAY SHE MUST BE TRUSTED ACROSS THE STATES????????

    • Stephanie Brifman

      May 15, 2022 at 3:11 pm

      Who’s this professional everyone is talking about, I always see her recommendations on every youtube video I watched.

    • Manthan Lohit

      May 15, 2022 at 3:12 pm

      I have been into gold investment and no much more improvement just decided to get into Bitcoin trading and it’s been more profitable than gold.

  30. Ian John

    May 15, 2022 at 5:07 pm

    Y’all got change this logo lolol. I thought it was video from 15 yrs ago or something

  31. Jon VB

    May 16, 2022 at 3:37 am

    Simple and easy to understand.

  32. rasronin

    May 16, 2022 at 11:44 am

    Took Tesla on road trip, missed my little mazda the whole time. No thanks on the ev, I thank god for gas. The hipsters love that e.

  33. shabadoo1

    May 16, 2022 at 5:35 pm

    Always good to see luddites in the comments talking about how uncomfortable the progression of technology makes them feel and then imagining it echoed across history.
    “GRUG-GRUG NO LIKE WHEEL HIS FEET GOOD ENOUGH AND CAN CROSS MUD. WHEEL TAKE TOO LONG TO MAKE”
    Why are you using a computer? Have you noticed that your television is no longer 50lbs and built into an oak cabinet and that your computer monitor is no longer the dimensions of a microwave?

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