+10% Energy Efficiency after 2.24.102 Update

[msnow]

Haha. To rehash a point from that thread, I believe Tesla would get into a lot of EPA trouble if they attempted to claim higher economy via a software update ;-)

Actually they do that from time to time but it's to improve the algorithm.

 

[sorka]

I don't have that update yet but I get between 280 and 300 wh / mile (depending on weather, wind, etc) in my P85DL with 21" wheels on my 130 mile commute each way.

 

[Tjhappel]

What speed are you going roughly to achieve such great economy? I have managed to avg 297 kW per mi over 66k miles in my 2014 p85 with cyclone wheels.. I thought I was doing good!

 

[ZeroDarkSilver]

What speed are you going roughly to achieve such great economy? I have managed to avg 297 kW per mi over 66k miles in my 2014 p85 with cyclone wheels.. I thought I was doing good!

He only drives downhill...

 

[Mattzilla]

He only drives downhill...

I knew you guys wouldn't believe me, so I snapped a picture this morning on my drive in:

Tesla winds was showing nominal wind/elevation. This is driving down a flat section of 101 on the Olympic Peninsula on my way to work.

It appears my efficiency is unchanged since the update.

 

[sorka]

I knew you guys wouldn't believe me, so I snapped a picture this morning on my drive in:

View attachment 184174

Tesla winds was showing nominal wind/elevation. This is driving down a flat section of 101 on the Olympic Peninsula on my way to work.

It appears my efficiency is unchanged since the update.

Cool, but I can drive from my the place I ski at 87 miles away and get home with an average use in the 50s.

How about a picture of projected range vs actual range on your energy page while using nav for your trip? The energy page will project rated and then adjust it for elevation. If what you say is true, then you should have a huge diverging line between the original projected and what you get.

 

[Mattzilla]

Cool, but I can drive from my the place I ski at 87 miles away and get home with an average use in the 50s.

How about a picture of projected range vs actual range on your energy page while using nav for your trip? The energy page will project rated and then adjust it for elevation. If what you say is true, then you should have a huge diverging line between the original projected and what you get.

I always beat the original projection. I'll snap a picture of it on my way home tonight or tomorrow morning.

 

[qqragoon]

Maybe this is off topic, just had this thought after reading this thread ...

If a road/freeway can slightly tilt or change its altitude to make cars flow only downhills for rush hour or based on the traffic flow at that time, a car might only need brakes...

 

[brianman]

We have a thread like this every time summer comes.

We have a thread the opposite of this every winter.

I'm not saying the firmware didn't change efficiency in some way, just offering data to consider. Shall we start a "did they change regen" thread also?

 

[Mattzilla]

Some of us young whippersnappers haven't been around long enough to know the seasonal routines/trends, so we're responding to internal emotional inputs like giddy grade-schoolers and letting the feelings fly.

 

[sorka]

I always beat the original projection. I'll snap a picture of it on my way home tonight or tomorrow morning.

I do too, but not by a third

 

[ZeroDarkSilver]

We have a thread like this every time summer comes.

We have a thread the opposite of this every winter.

I'm not saying the firmware didn't change efficiency in some way, just offering data to consider. Shall we start a "did they change regen" thread also?

Good point but my car was delivered at the end of May and there was no significant change in weather associated with the step change in Wh/mi. Also I live in California so I'm unfamiliar with this "winter" that you speak of.

 

[TaoJones]

Imagine if we only had release/change notes per release/patch so that we could replace FUD with, oh, I dunno, the definitive word perhaps?

No, I did not bring enough for everybody.

 

[David_Cary]

I don't have the latest update. 70D with 22k miles. So summertime road trips are here and I am more efficient than last year (seemingly by wh/mi). I spent the entire winter not going on long trips and if I did, the efficiency is so up and down dependent on temps. But now we are solidly warm and I just got back from a roadtrip.

Last year, I would say that 65 mph gave me rated range. This year I could go 70 and get rated range. I suspect it is the tires and overall breaking in as last summer the car was new. But it was pretty substantial.

I went 175 yesterday using 180 RM or so. Speed limits were 65-70 and I stayed 5-9 above. So I hit 75 for a lot of the trip.

Never rotated. Never checked pressures. Bad bad owner.....

But I don't think anything was the latest software update since I don't even have it. But certainly TACC could be improved upon and approach 10% in the right traffic scenario.

 

[loganintx]

I installed 2.24.102 last night. My 8.9 mile commute to the office normally takes 260-275Wh/mi.
It's about a 300 foot elevation drop. I drive AP almost whole way.
Today was 239Wh/mi