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Old March 11th, 2017, 10:06 AM   #361
KOZIMIERZ
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Absolutely untrue. The problem lies in a short lifespan of infrastructure usually about 20 years for both wind (mainly due to cyclic stresses in turbine structure) and solar (loss of panel efficiency in time). Please do not forget to add all taxes to renewables that are thrown on fosils. Only hydroelectric is economically viable - the rest would never ever exist if not for humongous state subsidies on all phases of construction, maintenance, utilization and decommissioning. Maybe apart from some very remote areas where you cannot easily get fossil fuel regularly. Hopefully latest good advances in photovoltaic technology will allow for economical use in areas close to equator.

Please note this is in perspective of electric car powering. Solar thermal and geothermal (for heating and cooling) can be economical provided right external conditions are present.
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Old March 11th, 2017, 12:33 PM   #362
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Add efficient pricing of externalities (which one always should) and it might not be so straight forward.

While we don't know what the efficient price is (because we don't yet know the extent of future global warming and even if we did, it'd not be easy to determine the added costs of it), we can try to find a best estimate.
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Old March 14th, 2017, 08:21 AM   #363
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Quote:
Originally Posted by Rowanne Colbert View Post
I like this one. It's looks so cute!
This uses only 15 cents worh electricity on 50 km daily commute.

http://www.ev-info.com/ev-car/3543-cree-ev
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Old March 14th, 2017, 10:14 PM   #364
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Why not just do something practical like Brazil and use ethanol or plant based fuel.
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Old March 15th, 2017, 05:15 AM   #365
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Quote:
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Why not just do something practical like Brazil and use ethanol or plant based fuel.
Because it still pollutes the cities.
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Old May 11th, 2017, 12:12 AM   #366
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Old May 11th, 2017, 06:49 AM   #367
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Electric concept cars and racers is not what people needs, but a practical affordable one.
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Old May 16th, 2017, 08:41 PM   #368
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Old May 16th, 2017, 11:24 PM   #369
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Well, looks like another milestone passed for electric race cars. Now one has the world record on the Nordschleife of the Nürnburgring.

Well, outside competitions at least. In 1983, a number of speed races were held on the 'Ring, with the best cars and drivers of their age duking it out, some finishing up to half a minute faster than the cars that drive there today. The records set that year are still standing. For some reason, F1 cars haven't driven there.

Anyway, enough talk, more video:

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Old May 16th, 2017, 11:33 PM   #370
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Because it still pollutes the cities.
And destroys human and cattle food chain
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Old May 19th, 2017, 07:36 AM   #371
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Tesla factory workers reveal pain, injury and stress: 'Everything feels like the future but us'

Thursday 18 May 2017 08.00 BST

Exclusive: CEO Elon Musk defends workplace, saying ‘[we are not] just greedy capitalists who skimp on safety’ – and declares his $50bn company overvalued

https://www.theguardian.com/technolo...ions-elon-musk


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