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    Recurrent

    recurrentauto.com · Company blog · on HN since 2022

    Recurrent is a company that analyzes used electric vehicle data, publishing studies on battery life, cold-weather range loss and replacement costs.

    Visit blogHN submissions
    Climate & EnergyData & Visualization
    What HN says

    Commenters cite it for EV battery degradation data, though one argues a cited range claim is outdated or overreaches.

    Stats for nerds
    30HN people shared it
    5linked in comments
    292story points
    Jul 2026last shared
    2022people per year2026

    Top posts on HN

    1. 1
      EV adoption in US is happening faster than predicted
      1 person · 225 points · first shared 2022 · 553 comments on HN
    2. 2
      Winter & Cold Weather EV Range Loss in 7,000 Cars
      8 people · 52 points · first shared 2022 · 42 comments on HN
    3. 3
      Full Speed Ahead: EV Study Reveals Impacts of Fast Charging
      2 people · 8 points · first shared 2023 · 6 comments on HN
    4. 4
      Real-world ranges for Teslas 50-60% of EPA Range
      1 person · 6 points · first shared 2023 · 1 comments on HN
    5. 5
      How Long Do Electric Car Batteries Last?
      10 people · 1 points · first shared 2022 · Discussion on HN
    6. 6
      Tesla battery replacement costs
      2 people · first shared 2025
    7. 7
      Costs ev battery replacement
      2 people · first shared 2025
    8. 8
      Used electric vehicle buying report
      2 people · first shared 2022
    9. 9
      Homepage
      1 person · first shared 2023
    10. 10
      Which electric vehicles have heat pumps
      1 person · first shared 2025

    What HN people wrote when they linked it

    • ablationMar 2026

      Just a bit of cursory research provides some evidence counter to your confident assertions. It's fine if you don't like EVs or like the idea of them becoming popular, but it's worth doing a little reading first.

      - In the US in 2025, 35% of vehicle shoppers say they are at least "somewhat likely" to consider purchasing an EV, with 24% saying they are "very likely" to do so. [1]

      - Among younger consumers, more than two-thirds of Gen Z (72%) and Millennials (70%) say they would consider purchasing an EV. [2]

      - In Germany, EV purchase intent rose 8 percentage points in a single year, with 30% of consumers planning a fully electric vehicle as their next car, which is the highest BEV intent of any surveyed European country. [3]

      - The median range of new EVs hit a record high of 283 miles per charge for the 2024 model year, more than four times higher than in 2011. [4]

      - The average EV range in 2025 has increased a further 4% over 2024, now reaching 293 miles, while fast charging speeds have improved 7% over the 2024 model year. [5]

      - DC fast chargers can bring an EV battery to 80% charge in as little as 20 minutes. [6]

      - In 2025, battery electric cars reached a historic 19% share of all new car registrations across Europe - the highest annual share ever recorded - with total volumes up around 31% compared to 2024. [7]

      - Germany and France reached a combined battery electric and plug-in hybrid market share of 30% and 27%, respectively, while Italy and Spain are catching up…

    • clouddroverDec 2022

      > The company analyzed the real-world winter driving range of thousands of electric vehicles and found the Tesla Model Y retained most of its EPA-rated range in winter.

      This Axios article is from March, 2022 and has incorrect data. In particular it's wrong about the Tesla results.

      The Axios chart claims the Model Y achieves 97% of its EPA range in 70°F and 98% of its EPA range in 20-30°F. They're claiming the Model Y does better in cold weather.

      Here is updated data from Recurrent as of December 2022:

      https://www.recurrentauto.com/research/winter-ev-range-loss

      What's new in the updated data is that Recurrent has included verified real world winter range tests. Previously they were relying on dashboard data and Teslas don't give you good information. Recurrent says, "As evidenced below, it appears in the Model 3 dashboard data that there is almost no change in available range in cold or hot conditions."

      But now, "New to 2022, we have added observed, real-world range fluctuations to our Tesla data. The dotted line below shows the range as observed from on-board devices and energy usage. This shows a more expected decrease in winter range, although Tesla's thermal management is still great at controlling cold weather range loss."

      What Recurrent now says for the Tesla Model Y Long Range AWD is:

      > Observed Range at 20-30F: 49% of Original EPA Range

      > Observed Range at 70F: 64% of Original EPA Range

      So even at 70°F the Model Y only attains 64% of its rated EPA range in…

    • the-alchemistJan 2024

      What a crappy article. One can't complain NYT is too pro-EV.

      This problem is a combination of growing pains, uneducated EV drivers, old EVs with crappy batteries, some bad infrastructure, and EV manufacturers that don't put enough diagnostics.

      1. Ask anyone who has lived in these kinds of cold temperatures. Cold starts in ICEs are always a problem. in upstate NY, you always need a pair of jumper cables ready. you might get to where you're going, and then can't make it back.

      2. Different battery chemistries have different cold vs. warm characteristics. Surprise, surprise, the newer, better, more expensive battery packs don't suffer in the cold as much. The loss can be as low as 3% (Jaguar I-Pace) to 30% (Ford Mustang Mach-E, VW ID.4). See https://www.recurrentauto.com/research/how-temperature-affects-ev-range

      3. EVs have two battery packs: a small 12V one, like a regular car battery, and the BIG one. If the 12V one dies, you can't start the car, even if the BIG one is good. (EV manufacturers should install better 12V batteries and provide better diagnostics for this kind of problem.)

      4. EVs also have a "pre-conditioning" charge, where (massively simplified) battery warms itself to prevent damaging itself when it's too cold. This can drain the battery, but if the car is plugged in, it's not a problem, it'll just pull the charge from the plug (even if the battery doesn't need charging).

      5. Sounds like a few chargers "froze" up. Just like gas pumps, but…

    • tzsSep 2023

      People are actually mostly getting good performance well beyond that. Estimates are now typically that most people can expect 15-20 years or more, unless they use the car in someplace very hot, always use a very fast charger, charge up to full every time they can, and things like that.

      It seems to be distance that matters more than time. Tesla has found that for their oldest models, most people still have around 90% capacity at 200k miles. The average American takes about 14 years to drive 200k miles.

      The data suggests that if you don't need a low mileage battery pack replacement, because say a particular model year turns out to be a dud you will probably get 150k or more miles.

      Here's some articles on EV battery life [1][2][3].

      My expectation is that there will be a pretty good used market for EVs.

      For example, for my next car I'd like an EV and I want to get at least 100k miles with nothing but routine cheap maintenance and replacement of consumables such as tires and fluids.

      A used EV might be ideal for that, say one with 50k miles on it. That would be enough to be past early failures due to a bad model year, but still should have well over 100k left on it with good capacity.

      [1] https://www.recurrentauto.com/research/how-long-do-ev-batteries-last

      [2] https://blog.evbox.com/ev-battery-longevity

      [3] https://www.roadandtrack.com/news/a44852031/how-long-do-electric-car-batteries-last/

    • notacowardJan 2023

      The author is claiming way more (and worse) than they can actually back up. Different EVs actually get different percentages of their nominal mileage, and then respond differently to cold weather. I like this one for range under semi-optimal conditions.

      https://insideevs.com/reviews/443791/ev-range-test-results/

      Here's some "winter effect" info for different models.

      https://www.recurrentauto.com/research/winter-ev-range-loss

      I'd take that second one with a little grain of salt, though. I know that my 2022 Nissan Leaf SV+ gets more than the 175 miles they claim for summer (as long as I keep my speed down which is another factor OP seems to ignore). Haven't really given it a real winter workout, but I'd expect that number to be a bit higher than that table's 125 too. That's a very far cry from OP's claim of only ~110 miles.

      Some might try to dismiss that as anecdata, but so is OP. Claims based on their one empirical observation, failing to account for known confounders and clearly wrong for a second sample, are kind of worthless. I'm not trying to propose any grand theory like they are. Find out the right numbers for your vehicle, routes, temperatures, and driving style.

    • endisneighMay 2022

      > No, it's not. That's why some manufacturers offer much longer warranties than others despite having similar reliability numbers. Warranty terms are driven by the business and encompass a lot more than mean time to first failure.

      What's an example of this controlled for the price of the car?

      > If warranties were a good approximation of how long things last without repair, why would that only apply in the car world?

      Warranties are a good approximation in the context of cars. Virtually all other consumer devices have a 1 year warranty so it's not really a distinguishing feature.

      In any case, warranty aside the reason I even brought it up is because many manufacturers warranties imply potential for up to 30% degradation after about 8 years which is why I used the numbers I used (https://www.recurrentauto.com/research/how-long-do-ev-batteries-last)

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