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HippoRoller Water Carrier – Simple Efficiency With A Far-Reaching Payoff

by Benjamin Roman •

Water is an immediate, fundamental need for human survival, but one in six people worldwide don’t have immediate access to water resources, particularly in arid regions of southern Africa. The HippoRoller is a deceptively efficient water carrier with the potential to offer huge health, economic, and social benefits to developing communities.

Old Running Shoes Never Die – But Brooks BioMoGo Really Does Fade Away

by Benjamin Roman •

A critical aspect of a product’s “efficiency” involves not just what it does, but also where it comes from and where it goes after its useful life. Brooks has taken an innovative step to improve the life-cycle efficiency of its running shoes with its biodegradable BioMoGo cushioning material.

86

Review Of Tankless Water Heaters

by Justin Thomas •

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 heaters?

31

Best Electric Kettles

by Siel •

Stovetop kettles are nostalgically cute in movies and lovable as collector’s items, but when it comes to our time-crunched, energy-efficient world, electric kettles–which boil water twice as fast as their stovetop counterparts–are the way to go.

60

LiFePO4 Batteries: A Breakthrough For Electric Vehicles

by Justin Thomas •

Note: If you looking for AA-sized LifePO4, you can find them here. Soon, we’ll probably be seeing Lithium Iron Phosphate (LiFePO4) batteries being used in most electric cars and bikes. This new battery type is set to dominate the market. Based upon lithium ion technology, LiFePO4 batteries offer many advantages over lithium cobalt dioxide (LiCoO2) batteries which are commonly used …

1

Dockside Green Awarded World’s Highest LEED Score

by Justin Thomas •

We featured the innovative Dockside Green community previously on MetaEfficient. Recently, the entire community was certified to be built to Platinum LEED (leadership in energy and environmental design) standards. It was awarded the highest LEED score in the world.

12

The Best Toaster Ovens

by Justin Thomas •

The Best Toaster Ovens What are the best toaster ovens? Toaster ovens are efficient devices for cooking small meals. They typically use two 750 watts heating elements and draw a total 1500 watts, whereas electric ranges draw about 3000 watts (and thus require a 240 volt electric socket). Toaster ovens also heat up more quickly, due to their smaller size. …

75% More Efficient: Blue Ridge Parkway Destintation Center

by Justin Thomas •

The new Blue Ridge Parkway Destination Center has just been completed in North Carolina. It’s a beautifully designed building that is also highly efficient — it will use 75% less energy than a comparable conventional building. The building has Trombe walls: a very clever feature that will reduce the building’s heating load by 35% alone!

6

The Best Pressure Cookers Of 2010

by Justin Thomas •

Pressure cookers are efficient cooking devices —  they are up to 70% more efficient than conventional pots. The lids of pressure cookers are built to completely seal the pot so that the contents can boil easily inside the pot. Food cooks faster because the liquid inside rises to a higher temperature before boiling. Cooking times can be reduced by a …