Tankless water heaters have been used in Europe and Asia for 50 years, and they are gaining popularity in the US. Right now they represent about 8% of new sales in the US. Tankless heaters, also called on-demand, flash or instant water heaters, qualify for a $300 federal tax credit. How efficient are tankless water […]
Review Of Tankless Water Heaters Read More »
The Tyee reports: Ten years ago the people of Hasselt, Belgium embarked upon a bold experiment: no more charging for bus rides. Ever since, they’ve been proving the idea can work wonderfully. This city of 70,000 residents, with 300,000 commuters from the surrounding area, has made traveling by bus easy, affordable, and efficient. Now, people
All Buses Rides Are Free In Hasselt Read More »
Researchers from the Nanomaterials Research Centre at Massey University in New Zealand have developed synthetic dyes that can be used to generate electricity at one tenth of the cost of current silicon-based solar panels. These photosynthesis-like compounds work in low-light conditions and can be cheaply incorporated into window-panes and building materials, thereby turning them into
Innovative Solar Dyes: Inexpensive Liquid Solar Power Read More »
Wool carpeting is excellent: it’s durable, stain resistant, and completely biodegradable. It has a high initial cost, but the quality of the material justifies the investment. Nature’s Carpet offers all wool carpets. They only buy wool clipped from sheep raised where no herbicides or pesticides are used. The fiber is tested regularly for purity. The
Efficient: Wool Carpets by Nature’s Carpet Read More »
