Chelsea Sexton Interview At TMC Connect – Video


Chelsea Sexton Interview

Chelsea Sexton Interview

This special edition “News From The Frunk” episode includes a rare interview with Chelsea Sexton, so please do check it out.

Video description:

Welcome to News from the Frunk, Episode 41.

News from the Frunk is a short round up of key Tesla news over the previous few days.

Today’s video was shot at TMC Connect ( the annual get together of Tesla Motors Club forum members. This year the event was held at the Santa Clara Convention Center in Silicon Valley, and I had the chance to spend some time with Chelsea Sexton a leading electric vehicle advocate and star of the movie “Who killed the Electric Car” (…)

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22 Comments on "Chelsea Sexton Interview At TMC Connect – Video"

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so her main claim to fame is that she was the star of some silly “conspiracy theory” movie?

Thats more than I got, how about you?

He’s the troll star of “some silly conspiracy theory website” 😉

And we just got hooked as if we don’t know any better…

Prehaps. But at least she has a claim to fame.

She has done a lot more than just that in the EV industry.

i’ve just never heard of her, so all i know about her is what was written in this article.

So if you know nothing about her, you have better shut up in the first place : No comment from “no comment”.


I like her. 🙂

Chelsea is great! But… somehow her eyes seem to be very big in this video… jet lag?

“EV-Mania”. 🙂

Tesla insane mode overdose 😉

Chelsea is appealing because she has pretty mainstream attitudes, and is reasonable in her expectations. I share her guarded optimism..

I know she is a Nissan spokesman on and off, but at least she has no wild-eyed views, and is not overly opinionated for no reason.

i decided to watch the video after reading your comment. my reaction is that i agree that she is pretty reasonable as you say, but it also appeared to me that she has a very california-centric view of BEVs. i live in illinois, so i have a different view of BEVs, one informed by the realities of BEV operation in a cold climate region. in a cold climate region, that 250 miles of model s range can easily turn into 150 miles, and an overnight charge from a 120v outlet is only going to be worth about 25 miles of range. so assuming that you start the week with a fully charged battery, if you ever nee to drive more than 250 miles during the week, you could be in trouble. this is the kind of budgeting that you don’t have to do when you own an ICE, or an EREV or PHEV. the advantage of the GM approach to EREV/PHEV is that the cars are engineered with sufficient battery range so that 80%-90% of the time you would be able to drive on electricity only, but when you can’t drive on electricity, they are as convenient to operate as… Read more »

Yes, and as you no doubt know, the efficiency of the Volt/ELR when both the engine and heater are running are almost unbelievably high, especially if the 1400 cc engine has been running for a few minutes
and is up to operating temperature.

Since the battery is also slightly recharged during all this, the battery range greatly increases, so to speak, making 110 volt 8 or 12 amp charging of the high-voltage battery very practical even during the very cold winter months. The air conditioner, in ‘eco’ mode, is very miserly with electricity during the summer months, and during the spring and fall you can easily beat the epa range figures.

GM / Bob Lutz did their homework on that Voltec Platform. They get almost unbelievable useful work out of both a gallon of gas if the engine is running, and not much electricity is needed to recharge the vehicle, in weather when the engine doesn’t need to run either.

At zero degree, the Leaf lose 20% of its range on heating the cabin in a total loss of 30%.

But the amount of energy required to heat the cabin is always the same, whatever total power you have.

This is a CONSTANT factor.

So your calculation is wrong.

The good news is that as battery range increase, the % of loss in the cold will shrink.
We see it here in Québec with the Model S losing about 10% only in the winter, compare to 30% for the Leaf.

I would add a not so well known fact that ALL ICE cars are losing 20% efficiency in cold weather, on the contrary of rapidly evolving battery packs of EVs, WILL ALWAYS LOSE 20% range in the cold.

So in the long run with better and better batteries, BEVs will soon have a better performance than ICE cars in cold regions. Yeah!

And this is based on a study of thousands of fleet vehicles.

And you can also add the fact that pre heating the electric car from your cell phone/tablet/computer is pretty cheap and convenient, and also reduces the total loss of range.

i have never seen the preconditioning benefit quantified; i doubt that the savings really are that great. a car is not a huge cavity to heat, so the savings are from the fact that you are heating the relatively small volume cabin to a set point temperature from the grid. but even then, cars are not designed for thermal performance so the heat losses are, i would imagine, quite significant. so once you get to the set point temperature, it takes a lot of energy to maintain that temperature.

i am not suggesting that preheating is of *no* benefit; neither am i suggesting that preheating is of negligible benefit. i am just suggesting that maintaining a set point temperature in a car, in cold weather conditions, takes a lot of energy because cars are not designed to be heavily insulated.

Maybe if you care the time to read the links you would be a little less ignorant in your comments. But as a troll, you do just fine!

0 degree C = 32 F

your reasoning is incorrect. heating of the car interior is constant PER UNIT TIME. a bigger battery means that you can operate the heater from stored charge for a longer period of time, which means that you drain charge from the battery for a longer period of time. so you take a bigger energy hit (in absolute terms) the longer you operate the heater from stored charge.

one other point i might add; now i think i see how bjorn nylund scammed up his claims of only 5% to 10% range loss during winter, due to heating, in his tesla model s: i think he drove the car for, say, 30 miles; determined some absolute range loss due to heating, say 15 miles (such that the 30 miles used up the amount of charge that he would have used for 45 miles of driving without the heater on), over that driving range; and then he compared the, for example, 15 mile range loss to the *total* range of a fully charged tesla battery.

nice trick, but it’s still a scam…