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Efficient: Books That Explain Train Travel In North America

Train travel is one of the most efficient forms of transportation. However, in North America, traveling by rail is not particularly systematic or comprehensive. It’s difficult to get an overview of what’s available. Thankfully, there are several good books on North American train travel, which I read recently. Here’s a brief review:

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How To Filter Your Drinking Water Very Efficiently

I’ve spent quite a bit of time researching how to filter drinking water effectively. Originally, I was interested in filtering the rainwater that falls on my roof. But I had to put that project on the back burner for now. During my research I noticed that there is little unbiased information available on water filters and filtration techniques.

Using Magnetic Levitation In Wind Turbines

Today, I wrote a post for TreeHugger about a company that is proposing to build a colossal magnetic levitation wind turbine. Magnetic levitation (or maglev) is an interesting technology that has been around for a while.

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It’s Official: Toyota Testing Plug-In Hybrid In Japan, U.S. and Europe

Toyota has developed a plug-in hybrid vehicle for public road tests in Japan and plans the tests for the U.S. and Europe. (Cars that can run on electricity are much more efficient and economical than gasoline powered cars. They can recharged via renewable energy sources like the solar power and wind power. Even if the electricity is produced by burning …

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German Town Will Soon Use 100% Renewable Power

There’s a small town in Germany called Dardesheim, that relies almost entirely on renewable sources for its energy needs. The town’s goal is to use 100% renewable power, and become known as German’s “Town of Renewable Energies”. Dardesheim already has some huge wind turbines in place, and many solar roofs installed. Last year they installed an amazing 62 megawatts of …

The Healing Powers of Peppers

Chile peppers contain one of the most effective curative substances in the world — capsaicin. While many people enjoy eating hot and spicy food they are not aware of the therapeutic properties of chile peppers. The authors of The Healing Powers of Peppers present a wealth of scientific and medical information, including personal testimonies about the healthful advantages of chile …

A Paint Stripper Made From Corn

Conventional paint strippers are usually very toxic substances that you’d be better off not bringing into your home. But one company, Green Products, has created a bio-based paint stripper and solvent called aMAIZEing.

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Most Efficient Filtering Plant: Boston Fern

The Boston Fern (Nephrolepis exaltata) — it’s the plant that’s the most efficient at removing formaldehyde (the most common indoor air pollutant). See our post on How To Grow Fresh Air for more information.

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Efficient Wood Burning Stoves

Woodstoves can indeed be a metaefficient way to heat your home. Modern woodstoves are an economical and environmentally sound choice for home heating. Wood has a much higher BTU capacity than gas, and wood is a renewable resource. Older, conventional woodstoves emitted between 30 and 80 grams of particulate matter (smoke) per hour, while the new EPA-approved stoves have reduced …

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Transefficient: Porous Pavers

Porous pavers are permeable replacements for concrete or other hard surfaces. They reduce rain water runoff by 90% thus avoiding erosion. Less pollution reaches the waterways because the rain water penetrates the underlying ground more effectively. Permeable pavement is slightly different — it looks like concrete but is structured to be porous so that rain water seeps through it. See …

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Grapefruit Seed Extract: Efficient Disinfectant

Grapefruit Seed Extract is a powerful disinfectant. It can be used to disinfect wounds, sterilize fruit and vegetables, purify drinking water, sanitize dishes, countertops and cutting boards and inhibit bacteria growth in pools and spas. The active ingredient of grapefruit seed extract is synthesized from the seed and pulp of certified organically grown grapefruit. The process converts the grapefruit bioflavonoids …