On 3 May 2016 at 8:53, tomw via EV wrote:

> The S uses quite a bit more power on accessories than most conversions,
> and most drivers likely usually have climate control on.  

But that wouldn't affect EPA range ratings, would it?  Aren't those measured 
with aircon and other stuff turned off?  

Or is it burning off energy on accessories that CAN'T be turned off?  That 
would kind of stink.  :-(

> It also has a very low drag coefficient, so low that it has the same
> CdA as my little Suzuki Swift. That, and its 4700+ lb weight results in
> its drag and rolling resistance forces being equal at around 60-65 mph
> compared to around 45 mph for most vehicles. 

Yeah, I'd forgotten, it's (please forgive me) an obscenely heavy car. 

So friction losses are dominant.  Hmm.

> The energy/mile used moving at ~ constant speed in city driving would
> have to be low enough relative to highway driving to compensate for
> that energy lost during each acceleration, and that will depend on
> distance driven between stop/starts. 

Here again, the EPA method enforces a formula.  So I wouldn't think this 
would affect Teslas more than other EVs.

What is incontestable is that the Leaf's city range is greater than its 
highway range, but the Tesla's city range is SHORTER.  It's hard to avoid 
the notion that a Tesla acts more like an ICEV than other EVs do, wasting a 
significant amount of energy "idling."  Ouch.

David Roden - Akron, Ohio, USA
EVDL Administrator

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