[Peakoil] more on electric cars...

[Keith Thomas]

Well, coal-fired power stations are also around 30% efficient:

http://www.euractiv.com/en/energy/analysis-efficiency-coal-fired-power-stations-evolution-prospects/article-154672

Take from this 30% the energy lost in transmission over the grid, and electric cars are already less efficient and more polluting than petrol cars are today.

The trick is to need to do less travel, not to hope for ways to continue travelling "business as usual".
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Keith Thomas
www.evfit.com
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On 07/04/2011, at 9:24 AM, Jenny Goldie wrote:

 
Research into batteries will give electric cars the same range as petrol cars
Li-air batteries are a promising opportunity for electric cars. "If we succeed in developing this technology, we are facing the ultimate breakthrough for electric cars, because in practice, the energy density of Li-air batteries will be comparable to that of petrol and diesel, if you take into account that a combustion engine only has an efficiency of around 30 percent," Tejs Vegge, senior scientist in the Materials Research Division at Risoe DTU. 
http://www.risoe.dtu.dk/News_archives/News/2011/0328_Li_battery.aspx?sc_lang=en


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