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GM And Segway Unveil Their Electric 2-Seater

by Justin Thomas •

Yesterday, GM and Segway unveiled an electric-powered urban vehicle called the Puma. The Puma seats two people, and is said to reach a top speed of 35 miles per hour. The vehicle can go 35 miles before needing a recharge. Larry Burns, vice president of research and development for GM, said it would cost about 35 cents to charge the …

3

The Best Portable Car GPS Navigators Of 2010

by Justin Thomas •

In the past five years or so, one of the handiest applications of GPS technology has been the development of portable GPS navigators designed to go into a car to help a driver navigate as she drives.

17

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.

15

The Best Rice Cookers

by Siel •

zojirushi-nh-vbc18-10-cup-rice-cooker-and-warmer-with-induction-heating-system

I recommend a fuzzy logic rice cooker if you eat rice every day, basically making your cooker an always-on device. Your rice will take about twice as long to cook as it does in on-off rice cookers — but if rice is part of your daily routine, that will never be a concern. In a fuzzy logic cooker, there will …

10

SmartSwitch Takes Human Error Out Of The Energy Efficiency Equation

by Justin Thomas •

The quest for low-impact, efficient living is often at odds with the human flaws of sheer laziness and absentmindedness. This couldn’t be more poignantly-illustrated than in an average American home. Much electricity is wasted each and every day by very simple, avoidable behavior. One of the most common examples is the vast amounts of electricity that are essentially thrown away due to …

77

The Best Commuter Bikes Of 2010

by Justin Thomas •

Felt Cafe Deluxe 8 Commuter Bike

The sales of commuters bikes in the U.S. have grown quickly in the last couple years. Commuter bikes are those that include features useful for commuting to work or around town — like fenders, chain guards, storage racks, comfortable seats, lights and puncture-resistant tires. You may also be interested our reviews of folding bikes and electric commuter bikes and women’s …

11

AeroGarden: Easy, Efficient Indoor Gardening

by Justin Thomas •

In 2004, MetaEfficient.com pre-reviewed the AeroGrow aeroponics growing system. That was before the system was released. A couple of years ago, you couldn’t cut on your TV without seeing an ad for AeroGrow indoor gardening systems. It isn’t as ubiquitously advertised now, but it hasn’t disappeared from the market. In fact, five years after its initial release, there are several …

12

Finding Inexpensive Non-Toxic Bedding

by Justin Thomas •

Non-Toxic Bedding

Update 2016: See my updated article on non-toxic bedding. We spend about one third of our lives in bed. It’s a time when our body regenerates itself. We release about 3 liters of water while we sleep, and our bodies go through cycles of cooling down and heating up. We also absorb substances through our skin and through our lungs. …

15

The Best Toasters of 2014

by Siel •

What makes a toaster efficient? Read through reviews of popular toasters, and you’ll see that many people seem to care more about the bells and whistles — automatic lowering of bread, pleasant dings when toasting is complete, and the like — than anything else.

86

2010 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?