The conversion of refer trucks to use solar panel power might be a great
niche business. Ultimately, my guess is the refer will be powered off
the truck's battery, when such trucks become EVs. But, even so, the
solar panel might make sense. Aside from the air pollution, I hate those
small engine generators that so many trucks use. Noisy and smelly and,
it seems, always running nearby when I sit at an outdoor cafe.
Peri
<< Annoyed by leaf blowers ? https://quietcleanseattle.org/ >>
------ Original Message ------
From: "(-Phil-) via EV" <ev@lists.evdl.org>
To: "Electric Vehicle Discussion List" <ev@lists.evdl.org>
Cc: "(-Phil-)" <philp...@gmail.com>; "EV List Lackey" <evp...@drmm.net>
Sent: 17-Jul-22 19:30:34
Subject: Re: [EVDL] no more "iced" chargers ?
We have a 1.5kW solar option for our vans that was brought about by
incessant requests from our customers. It literally packs as much modern
20% efficient PV as possible on the roof:
( http://ingineerix.com/pic/?vansolar-clean )
The best I've seen it add so far is about 15 miles a day if the sun is
great, the panels are clean, and you are parked where there are no
shadows. It's reasonable if you drive very little, but not worth the cost
IMO.
However, we also sell a Reefer (Refrigerated) version of the ePro with a
well-insulated cargo area that can maintain 32F/0C temps almost all the
time running off the solar. This is awesome! You can park the van with
food in the back and not have to unload it every evening, etc. We have
several food banks using it like this. Their old box-trucks had
diesel-powered Thermo King systems that are no longer legal to idle in
California. They had to pick up food, unload it all every evening into
their warehouse and then re-load them the next day. Now they can just
leave the van parked with the food inside.
https://maxwellvehicles.com/refrigeration.html
Solar also works good for airport/hotel shuttles that spend a lot of time
parked waiting, but with the solar it greatly extends the daily range by
covering the HVAC loads.
Outside of this I agree, the best solar is on your roof where it can be
more optimally placed, and generate more reliable energy.
-Phil
https://maxwellvehicles.com/
On Sun, Jul 17, 2022 at 4:41 PM EV List Lackey via EV <ev@lists.evdl.org>
wrote:
On 17 Jul 2022 at 13:15, Mr. Sharkey via EV wrote:
> The point being, not every idea makes sense from the standpoint of
> practicality and consumer acceptance
As I see it, and admittedly I'm not an expert, for solar EVs with onboard
PV
to be really practical - for widespread adoption rather than as showoff
rich
boy toys - a few little tweaks need to happen.
- PV conversion efficiency has to improve radically
- PV cost has to decline radically
- PV durability has to increase radically
Impossible? Of course not, but when? It took about 25 years for EV
lithium
batteries to get from notion to production EVs.
Also, don't forget the environmental changes needed to keep the sun
shining
on solar EVs.
- Remove trees and buildings blocking sunlight from roads and parking
- Tear down garages and carports (or use them for other things)
- Disperse clouds and banish rain
- Ideally, eliminate night and winter :-\
No matter how good PV tech gets, it will ALWAYS make more sense to put
your
PV on your house and/or garage, save the output in a battery or the grid,
and charge your EV with that energy at night.
But the solar-car true believers just won't wake up from the dream of a
car
that runs on pure rays, that you never have to plug in. (Where have I
heard
that before?)
And maybe that's OK. Knowledge beats belief, but if everybody listened to
the experts who say it can't be done, nothing would ever change. If
Martin
Eberhard and Marc Tarpenning had listened to all the "experts" who said
that
road EVs weren't practical, they never would have started Tesla. We'd
probably still have EVs by now, but probably not as many, and probably not
as capable, and probably not legally recognized as future transport in the
EU.
David Roden, EVDL moderator & general lackey
To reach me, don't reply to this message; I won't get it. Use my
offlist address here : http://evdl.org/help/index.html#supt
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