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Just recently 550 miles were broken with a Tesla S, driving at an average speed of 21 mph. https://www.reddit.com/r/teslamotors/comments/3lc8hu/tesla_model_s_8

Just recently 550 miles were broken with a Tesla S, driving at an average speed of 21 mph. https://www.reddit.com/r/teslamotors/comments/3lc8hu/tesla_model_s_85d_shatters_500_mile_mark_5503/ https://www.reddit.com/r/teslamotors/comments/3lc8hu/tesla_m... My observation, based on the driver's comments and the Tesla efficiency chart, is that you could go close to 500 miles at 30 mph, which is almost a reasonable speed. Note the context that the title comes with. Tesla cars will break 620 miles when driving slowly (under 30 mph), not 620 miles using the EPA rating which is commonly used when addressing this issue.

adenadel 11y ago
In the article they mentioned a previous record setting drive: "As readers might recall, a new record was established last month by one enthusiastic Model S owner, who drove a painful 24-miles-per hour to make it a stunning 452.8 miles on a single charge. (The car is advertised as having a 265-mile range.) Musk didn’t elaborate on whether someone would need to drive just as slowly to reach 620 miles in 2017. We’d guess that’s not what he had in mind, though."
- stephengoodwin 11y ago
  452.8 miles / 24 mph = 18.87 hours of driving at slow speeds That's commitment.
  - dragontamer 11y ago
    That's why they are getting AIs to drive that!
    - Filligree 11y ago
      If I could sit back and read, or sleep in the back, then I'd consider that.
  - vectorjohn 11y ago
    Everyone seems to be missing that it doesn't have to be in one shot.
    - greggyb 11y ago
      These efficiency runs are in one shot, because the largest impact to total range comes from acceleration.
- ksherlock 11y ago
  Straight from the horse's mouth: "1000 kilometers... hmm. Well, it depends under what circumstances for a thousand kilometers. As it is, the record right now for model s is 800 kilometers (496 miles). That's the furthest that anyone has driven a model s. ... Now, in order to do that, they did drive at a relatively slow speed, so, you know, we're talking, I think they drive at 40 or 50 kilometers an hour (25-30mph) or something like that. But I think, my guess, we could probably break a thousand kilometers within a year or two. ... 5 to 10% a year" It seems, to me, slow driving ("circumstances") is what he had in mind.
larrys 11y ago
Reminds me of a joke that goes something like this. "If you never have sex (or maybe it was "if you cutoff your testicles"?) you will live an extra 10 years. And the punchline is "you call that living?". Why in the world does it matter at all if you can drive many miles at an unrealistic average speed? You call that driving?
- ctdonath 11y ago
  Once it can be done, refinements & improvements may be added to achieve it in comfort & style.
  - deleted 11y ago
    [deleted]
ck2 11y ago
Wind resistance is the mpg/battery killer. Same thing on a bicycle, over 25mph is much much harder than under because of air making a wall.
JeremyNT 11y ago
An interesting thought experiment: when we have AI driven electric vehicles used to transport goods (and thus no human labor costs in the equation), will driving behaviors for some types of shipments be optimized for fuel economy at the expense of slower speeds? Will some trucks be driving the minimum speed limit on highways to save electricity?
- codyb 11y ago
  That'd be interesting and it seems to make sense. Since business's optimize for cost and AI driven trucks don't need breaks and won't have limits on driving for extended periods of time (presumably) it seems it'd make sense to optimize for electricity use and delivery times. I don't see why they wouldn't drive as slow as they needed if that would produce greater profits for the shippers while not reducing the end consumer experience with late deliveries.
- aetherson 11y ago
  Seems unlikely. The cost of electricity is pretty low, while the cost of utilizing your truck is probably much higher.
- elihu 11y ago
  I also wonder if we're going to see an increase in traffic due to zero-occupant traffic. Supposing that the car of the future can drive itself home when I'm at work and pick me up at the end of day, will that mean that there's going to be a lot of cars on the road just transporting themselves and nothing else? This might be particularly common in cases where a single car is shared by multiple people.
  - wrsh07 11y ago
    In bigger cities, if you compare this to cars looking for parking spaces, I think you'll actually see a net decrease in traffic.
  - chx 11y ago
    I think individual car ownership will disappear. You will commission a car to get from point A to point B (with the options of lower costs if you are willing to pick up passengers en route) and then the car will go on and do other trips. Your own car just sits there almost all the time, that's really inefficient and expensive.

adenadel 11y ago

In the article they mentioned a previous record setting drive: "As readers might recall, a new record was established last month by one enthusiastic Model S owner, who drove a painful 24-miles-per hour to make it a stunning 452.8 miles on a single charge. (The car is advertised as having a 265-mile range.) Musk didn’t elaborate on whether someone would need to drive just as slowly to reach 620 miles in 2017. We’d guess that’s not what he had in mind, though."

stephengoodwin 11y ago
452.8 miles / 24 mph = 18.87 hours of driving at slow speeds That's commitment.
- dragontamer 11y ago
  That's why they are getting AIs to drive that!
  - Filligree 11y ago
    If I could sit back and read, or sleep in the back, then I'd consider that.
- vectorjohn 11y ago
  Everyone seems to be missing that it doesn't have to be in one shot.
  - greggyb 11y ago
    These efficiency runs are in one shot, because the largest impact to total range comes from acceleration.
ksherlock 11y ago
Straight from the horse's mouth: "1000 kilometers... hmm. Well, it depends under what circumstances for a thousand kilometers. As it is, the record right now for model s is 800 kilometers (496 miles). That's the furthest that anyone has driven a model s. ... Now, in order to do that, they did drive at a relatively slow speed, so, you know, we're talking, I think they drive at 40 or 50 kilometers an hour (25-30mph) or something like that. But I think, my guess, we could probably break a thousand kilometers within a year or two. ... 5 to 10% a year" It seems, to me, slow driving ("circumstances") is what he had in mind.

larrys 11y ago

Reminds me of a joke that goes something like this. "If you never have sex (or maybe it was "if you cutoff your testicles"?) you will live an extra 10 years. And the punchline is "you call that living?". Why in the world does it matter at all if you can drive many miles at an unrealistic average speed? You call that driving?

ctdonath 11y ago
Once it can be done, refinements & improvements may be added to achieve it in comfort & style.
- deleted 11y ago
  [deleted]

ck2 11y ago

Wind resistance is the mpg/battery killer. Same thing on a bicycle, over 25mph is much much harder than under because of air making a wall.

JeremyNT 11y ago

An interesting thought experiment: when we have AI driven electric vehicles used to transport goods (and thus no human labor costs in the equation), will driving behaviors for some types of shipments be optimized for fuel economy at the expense of slower speeds? Will some trucks be driving the minimum speed limit on highways to save electricity?

codyb 11y ago
That'd be interesting and it seems to make sense. Since business's optimize for cost and AI driven trucks don't need breaks and won't have limits on driving for extended periods of time (presumably) it seems it'd make sense to optimize for electricity use and delivery times. I don't see why they wouldn't drive as slow as they needed if that would produce greater profits for the shippers while not reducing the end consumer experience with late deliveries.
aetherson 11y ago
Seems unlikely. The cost of electricity is pretty low, while the cost of utilizing your truck is probably much higher.
elihu 11y ago
I also wonder if we're going to see an increase in traffic due to zero-occupant traffic. Supposing that the car of the future can drive itself home when I'm at work and pick me up at the end of day, will that mean that there's going to be a lot of cars on the road just transporting themselves and nothing else? This might be particularly common in cases where a single car is shared by multiple people.
- wrsh07 11y ago
  In bigger cities, if you compare this to cars looking for parking spaces, I think you'll actually see a net decrease in traffic.
- chx 11y ago
  I think individual car ownership will disappear. You will commission a car to get from point A to point B (with the options of lower costs if you are willing to pick up passengers en route) and then the car will go on and do other trips. Your own car just sits there almost all the time, that's really inefficient and expensive.