Hydraulic, wind, geothermal, marine energy, biogas ...

Renewable energies except solar electric or thermal (seeforums dedicated below): wind turbines, energy from the sea, hydraulic and hydroelectricity, biomass, biogas, deep geothermal energy ...

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Einstein's fridge: cold without current

Last Post by the middle « 29/09/08, 18:59
answers: 9
by Lietseu » 25/09/08, 01:53

9 Replies

5970 views

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Compare cost of kW of energy

Last Post by I Citro « 25/09/08, 14:05
answers: 12
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by All gas » 24/09/08, 15:24
12 Replies

9039 views

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25/09/08, 14:05
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Eco-friendly sea snakes?

Last Post by Gregconstruct « 25/09/08, 09:27
answers: 5
by Lietseu » 25/09/08, 00:36

5 Replies

1658 views

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25/09/08, 09:27
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Solar engines to build and experiment

Last Post by chrisleblay « 25/09/08, 04:16
answers: 1
by Christophe » 24/09/08, 14:55

1 Replies

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25/09/08, 04:16
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There is no clean and cheap energy!

Last Post by Gregconstruct « 24/09/08, 20:26
answers: 13
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by the middle » 24/09/08, 16:15
13 Replies

2710 views

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24/09/08, 20:26
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Combination of energies in Germany?

Last Post by Remundo « 21/09/08, 18:51
answers: 6
by the middle » 20/09/08, 06:27

6 Replies

2191 views

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21/09/08, 18:51
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Air / air aerothermy to assemble yourself

Last Post by vassago076 « 14/09/08, 14:11

by vassago076 » 14/09/08, 14:11

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14/09/08, 14:11
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Belgium Hainaut, search for polycarbonate plexi store

Last Post by the middle « 12/09/08, 10:10
answers: 10
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by owen » 11/09/08, 12:23
10 Replies

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12/09/08, 10:10
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India and civilian nuclear: Authorized Central Trading

Last Post by Christophe « 09/09/08, 16:14
answers: 5
by Christophe » 08/09/08, 10:33

5 Replies

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09/09/08, 16:14
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Draw energy from the rotation of the earth and in store

Last Post by buga « 08/09/08, 20:58
answers: 8
by buga » 07/09/08, 23:36

8 Replies

5111 views

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08/09/08, 20:58
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Contacts for solar energy project in Brazil

Last Post by johann « 08/09/08, 17:51
answers: 2
by johann » 07/09/08, 14:41

2 Replies

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08/09/08, 17:51
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Rain energy ??

Last Post by Christophe « 05/09/08, 13:50
answers: 2
by avygel » 02/09/08, 10:04

2 Replies

1473 views

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05/09/08, 13:50
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Ask the Minister of Energy your questions

Last Post by Gregconstruct « 05/09/08, 13:38
answers: 9
by Christine » 05/09/08, 11:47

9 Replies

2189 views

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05/09/08, 13:38
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Pellet / Idrofox code setup and start-up not ordered

Last Post by grafla « 05/09/08, 11:40

by grafla » 05/09/08, 11:40

0 Replies

2204 views

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05/09/08, 11:40
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Energy conversion of ether: proposed scheme

Last Post by Hic « 01/09/08, 17:18
answers: 14
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by massinissa » 28/08/08, 20:07
14 Replies

10930 views

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01/09/08, 17:18
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Energy production from the human body

Last Post by Gregconstruct « 28/08/08, 21:30
answers: 13
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by MichelM » 18/08/06, 00:04
13 Replies

41276 views

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28/08/08, 21:30
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Wind power: the state suspends the acquisition by Edf

Last Post by Christophe « 28/08/08, 14:43
answers: 14
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by Christophe » 28/08/08, 10:46
14 Replies

7620 views

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28/08/08, 14:43
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Hydroelectric turbine and ram pump

Last Post by jonule « 28/08/08, 10:41
answers: 31
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by GREGNENE » 27/09/06, 22:33
31 Replies

53714 views

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28/08/08, 10:41
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Anti-mole device solarization

Last Post by Matt113 « 27/08/08, 19:27
answers: 12
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by Matt113 » 30/06/08, 21:51
12 Replies

5145 views

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27/08/08, 19:27
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Biogas in Quebec with household waste

Last Post by jonule « 25/08/08, 11:34
answers: 81
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by Christophe » 15/08/08, 15:56
81 Replies

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