Solar Powered 12 Volt Battery Charger

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Solar powered 12 volt battery chargers are small solar panels that trickle charge your car’s battery while the sun is shining. Basically, the solar charger provides a small amount of power to the battery, so that if you leave your car’s door open you won’t be left with a dead battery. This reminds me: I’ve […]

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Carfree Cities: Where Are They?

Interested in knowing where you can find places free of cars? There’s an extensive list of carfree places around the world, available now on the Wikipedia. There’s also a book about Carfree Citites available. Here’s our review: Imagine life in a city free from the noise, stench, and danger of cars, trucks, and buses. Imagine […]

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Top Rated, Energy Efficient Refrigerators

In terms of quality, cost and energy efficiency, Kenmore refrigerators get high ratings from Good Housekeeping and Consumer Reports. They make many “no-frills” refrigerators which are Energy Star compliant. Kenmore fridges have factory-installed ice makers, which are less prone to break down than those built into the door. For example, a reasonably priced, mid-sized Kenmore […]

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Man Retrofits Freezer to Make an Ultra-Efficient Fridge

An off-grid experimenter in Australia, Tom Chalko, has retrofitted a chest freezer to create a fridge that uses only 100 watt-hours (0.1 kWh) per day! Why a chest freezer? Tom points out that vertical door refrigerators are inherently inefficient. As soon as you open a vertical fridge door the cold air escapes, simply because it […]

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Carfree Cities

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Imagine life in a city free from the noise, stench, and danger of cars, trucks, and buses. Imagine that all basic needs, from groceries to child care, lie within a five-minute walk of every doorstep. Imagine that no commute takes more than 35 minutes from door to door, and that service is provided by a […]

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