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Best ever topics in alternative energy

alternative energy

Thoughts on solar water heaters?

14 replies 6

alternative energy

Questions About LED Lighting and Direct Current Water Pumping

23 replies 1 1 1

alternative energy

Extracting energy from the moon

18 replies 2 1

alternative energy

Alternatives to solar panels

6 replies 1

alternative energy

Batteries home building --maybe

13 replies 1 1

alternative energy

Evaporative cooling wall /swamp cooler

3 replies 1

alternative energy

Stirling

56 replies [ 1, 2 ] 1

alternative energy

Cheap/tiny alternative heat for a tiny camper ???

11 replies 1 1

alternative energy

how to lower your lighting costs and keep incandescent lights

16 replies 1 1

alternative energy

Bitcoin heaters

15 replies 2 3

alternative energy

my old doomsday generator (exercise-bike modified)

10 replies 1 2 2

alternative energy

small scale gasifier production

30 replies

alternative energy

Lighting fires without matches

30 replies 2

alternative energy

Renovating solar cooker

5 replies 1 1

alternative energy

My newest 12 volt deep freezer

4 replies 9 2

alternative energy

12V Portable LiFePO4 unheated battery recommendations?

24 replies 2

alternative energy

Would a pedal-operated wood chipper/shredder work, or am I dreaming?

53 replies [ 1, 2 ] 4

alternative energy

solar powered wood splitter

14 replies 1 3

alternative energy

Is it OK to under-power an inverter?

11 replies 5

alternative energy

Favorite method for lead acid battery rejuvenation?....

10 replies 2

alternative energy

Edison Cell battery

14 replies 3

alternative energy

12,000 Liters of Freshwater per Day from Air — Offshore Buoy System | 24/7 Operation | No External E

7 replies 2 1 2

alternative energy

Water versus cob – thermal storage

17 replies 2

alternative energy

Home made power question

11 replies 2 2

alternative energy

CFL subsidy

13 replies 1

alternative energy

Anybody well spoken in LiFePo4 batteries?

7 replies 3

alternative energy

solar dehydrator - good for wet tropics?

2 replies

alternative energy

Anyone here have earth tubes?

15 replies 3

alternative energy

Bleach lighting for sheds?

17 replies 3 2

alternative energy

Dale's off grid cell phone reception and computer conectivity solutions. There's a flag pole.

13 replies 11

alternative energy

Thermal heat storage

21 replies 14 3

alternative energy

Can Yard Grass Be Turned Into Burnable Logs or Grill Pellets?

5 replies 2

alternative energy

recent surge in electroculture

4 replies 1 4

alternative energy

uv light for water treatment

18 replies 1 1

alternative energy

Two Liter Air Conditioning

25 replies 1

alternative energy

Pellet stoves

24 replies 2

alternative energy

Gas to propane generator conversion kit

9 replies 2

alternative energy

Alternative way to prepare biomass for burning.

7 replies 1 4

alternative energy

Nickel-Iron Batteries

29 replies

alternative energy

DIY batteries

9 replies

alternative energy

cooking stove ~ natural gas VS electric VS ?

31 replies 2

alternative energy

re-usable / repairable incandescent lights

7 replies

alternative energy

That pesky well pump

7 replies 2

alternative energy

Getting electricity directly from the soil

9 replies 6 1 3

alternative energy

physics problem, help me solve please.

16 replies 2 1

alternative energy

cooling with a vortex tube

13 replies

alternative energy

Pellets from Pine Needles?

14 replies

alternative energy

Evolving battery technology Silicon salt batterys

2 replies 1

alternative energy

My electrical power. Needs & Wants.

19 replies 2 1

alternative energy

LED lights +

10 replies 2

alternative energy

Pedal power: bicycle generators

5 replies 1 11 1

alternative energy

Solving problems with indoor compost heater

14 replies 2

alternative energy

Stovepipe wind turbine

12 replies 3 4

alternative energy

Charcoal gasification for garden tractor?

13 replies 2 1

alternative energy

the overbalanced wheel

12 replies 2 2

alternative energy

stirling engine

26 replies 1 1

alternative energy

Fusion article. Is this for real?

9 replies 1 1

alternative energy

Soletrac cet

6 replies 1 1

alternative energy

heat by-product of incandescent bulbs?

19 replies

alternative energy

Solar Space Heater Using Old Pop Cans

40 replies [ 1, 2 ] 1
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