Hybrid Gets 150 Miles Per Gallon Using Ultracapacitors

It’s a prototype hybrid car that gets 150MPG, and goes 40 miles on electricity alone, drawing its power from a combination of lithium-ion batteries and ultracapacitors. The ultracapacitors provide a burst of energy to the engine, when needed. They are then recharged by the lithium-ion batteries. This avoids the problem of emptying the batteries too fast, which can cause them …

Widely Available Low-VOC Paints

At Metaefficient, we try to only feature products that are toxin-free. Take interior paint, for example — how can a paint be considered “efficient” if it leaks toxic substances into your home for months or even years? According to the EPA, VOC-laden paint is a primary contributor to unhealthy indoor air, and it can significant impact your health. As anyone …