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alternative energy

please take a look at the rocket stove article

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alternative energy

The Wheaton Eco Scale

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alternative energy

It is 2018 and incandescent is still better than LED

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alternative energy

washing dishes by hand vs. dishwasher: water, expense and time

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alternative energy

really saving energy - eliminate the clothes dryer

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alternative energy

3 different rocket stove water heater designs, input requested

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alternative energy

Rocket Mass Wood Dryer - An Ecoquest Project for Willie Smits

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alternative energy

How to Make Your Own Emergency Home Battery Bank

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alternative energy

washing dishes: by hand vs. dishwasher

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alternative energy

Nickel-Iron 'Edison' Batteries

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ban on incandescent light bulbs

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alternative energy

2018 Off-Grid Rocket Kitchen Build, May 17-19

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alternative energy

bragging: lower energy footprint

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Why Paul Wheaton is Wrong About CFLs

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crisco candle

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Jean Pain Method

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Heat for Dummies Flow-chart: Function--heating; which cool gadget should I actually use?

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Is this a scam? Liberty Generator (electricity from composting)

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alternative energy

Using a bicycle generator to recharge a battery bank

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make your own incandescent light bulb

31 replies 9 4 4

alternative energy

permaculture tinkerers presentation

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alternative energy

2018 Off-Grid Rocket Kitchen Build, May 17-19

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My electrical power. Needs & Wants.

19 replies 2 1

alternative energy

DIY Solar Oven

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alternative energy

Appropriate Technology Course Teacher's Notes by Tim Barker (DRAFT)

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Unlimited Fuel In Perpetuity for Free in Theory - ethanol from spirulina

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Thermoelectric Generators to supplement wintertime solar.

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Can 55 gallon metal drums be used in hot water production

15 replies 7

First Wood Then Plastic! using waste plastic as fuel

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Heating water with (not for) coffee.

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Dale's Automotive clothes washing machine.

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alternative energy

Decentralized Power Production with RMH

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Salvaging "Dead" Absorbent Glass Mat Batteries

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alternative energy

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Thermosiphon Direction of travel

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alternative energy

Obtaining FREE BATTERIES (or really cheap ones)

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Rowing machine washing machine

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alternative energy

Maintaining "Maintenance Free" Sealed Lead Acid Batteries

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energy from differences in ambient temperature

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Thermoelectric Generators (TEGs)

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alternative energy Forum at permies

wheaton laboratories

2018 Off-Grid Rocket Kitchen Build, May 17-19

19 hours ago 22 replies 6 5 9

new boiler technology!!

1 day ago 1 reply

solar

How to Make Your Own Emergency Home Battery Bank

$34.95

1 week ago [ 1, 2 ] 1 123 3

home care

washing dishes by hand vs. dishwasher: water, expense and time

1 week ago 61 replies [ 1, 2 ] 2 5 4

Obtaining FREE BATTERIES (or really cheap ones)

1 week ago 7 replies 3 3

wheaton laboratories

Nickel-Iron 'Edison' Batteries

1 week ago 71 replies [ 1, 2 ] 1 6

solar

Maintaining "Maintenance Free" Sealed Lead Acid Batteries

1 week ago 3 replies 4

Salvaging "Dead" Absorbent Glass Mat Batteries

2 weeks ago 0 replies 6

Renovating house...advice?

2 weeks ago 2 replies

Using a bicycle generator to recharge a battery bank

3 weeks ago 47 replies [ 1, 2 ] 2 4 3

I want to set up a wood pellet mill

3 weeks ago 14 replies 1

Illustrated book of appropriate technologies.

4 weeks ago 0 replies

What are my options for charging two cellphones and one blender?

1 month ago 7 replies

Getting electricity directly from the soil

1 month ago 9 replies 6 1 3 3

energy from differences in ambient temperature

1 month ago 6 replies 2

conservation

It is 2018 and incandescent is still better than LED

1 month ago 121 replies [ 1, 2, 3, 4 ] 11 15 7

Pellet stoves

1 month ago 9 replies

Need to store surplus solar or microhydro energy, anyone?

1 month ago 5 replies

Thermoelectric Generators (TEGs)

2 months ago 11 replies

really saving energy - eliminate the clothes dryer

2 months ago 131 replies [ 1, 2, 3, 4 ] 1 12 14

Wood gas for heat and electricity

2 months ago 48 replies [ 1, 2 ] 2 2

paul wheaton's pseudo blog

The Wheaton Eco Scale

2 months ago 226 replies [ 1, 2, 3, 4, 5, 6 ] 2 21 16

bicycle

Bicycle water pump + battery charge

3 months ago 3 replies 1 2

rocket mass heaters

Decentralized Power Production with RMH

3 months ago 11 replies 1

cooling with a vortex tube

3 months ago 13 replies

Fire logs made from compressed coffee grinds

3 months ago 2 replies 1

Homemade Edison Cell - a question to technically-minded members

3 months ago 2 replies

Two Liter Air Conditioning

3 months ago 24 replies 1

My electrical power. Needs & Wants.

3 months ago 19 replies 2 1

the new nuclear power - clean?

3 months ago 36 replies 1 2

Has anyone used a solar kit to power a greenhouse?

3 months ago 2 replies

ban on incandescent light bulbs

4 months ago 108 replies [ 1, 2, 3 ] 4 2

CFL toxicity

4 months ago 29 replies 2 1 1

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

4 months ago 13 replies 11

Thermoelectric Generators to supplement wintertime solar.

4 months ago 15 replies 2

Charcoal as Fuel. Ethical?

5 months ago 30 replies 2

Why so many charge controllers?

5 months ago 6 replies

Unlimited Fuel In Perpetuity for Free in Theory - ethanol from spirulina

5 months ago 32 replies

black socks surprisingly warm my feet in the sun--observation for winter working

5 months ago 1 reply

Thermosiphon Direction of travel

5 months ago 5 replies 1

Propane Generator Exhaust System

5 months ago 2 replies

non electrical refrigeration, freezing, and air condition system

5 months ago 13 replies

Thermosyphon? Hot Water to Air Heat Exchanger Circulation

5 months ago 4 replies 2

Can 55 gallon metal drums be used in hot water production

5 months ago 15 replies 7
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