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:

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.

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 …

Micro-Wind Turbines: Update

I first wrote about these wind micro-wind turbines for TreeHugger in March. Since then the microturbines have become available for sale through the Motorwave website (here’s a direct link to the store). Right now, shipping costs from Hong Kong are about $300, but Lucien Gambarota, the inventor says he hopes to offer the turbines for sale in the U.S. soon. …

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 …

Cube Gadget For Fridges Could Slash Electrical Use

The e-cube, invented by British engineers, significantly reduces the energy used by fridges and freezers, which are estimated to consume about a fifth of all domestic electricity in the UK. The one-size-fits-all, retrofit, wax device, barely three inches wide, fits around the temperature sensor, to more accurately reflect the temperature of the contents. It said to cut power usage by …

Airstream Living: Interior Design For Efficiency and Comfort

Airstream trailers have become known for their sleek, classic design. Modern examples feature can feature high-end audio and video equipment. Going beyond simple remodelling, these trailers are made more efficient through additions of solar panels and more effective appliance (see the Airstream Life for more information). The authors of Airstream Living sought out restored, remodeled, and reconditioned examples of the …

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.