Review: Low Rolling Resistance Tires

Green Seal has released another of their well-researched reports, this time covering “Low Rolling Resistance Tires“. The reports presents previously unpublished data on leading tires that have low rolling resistance. But what is rolling resistance exactly? It’s a measurement of how easily the tire rolls down the road — minimizing the energy wasted as heat […]

Juice Bag: Flexible Solar Power

The “Juice Bag” is the first of its kind — a backpack with flexible solar panels built in. This means it’s lighter and less bulky that other solar backpacks. The pack has a capacity of 2500 Cubic inches, and weighs 2.5 pounds. It charges gadgets directly via a built-in female 12V car charger. The solar […]