We’ve tested dozens of water bottles over the years to find the best ones that are durable, lightweight and keep drinks warm or cold. While we're big fans of the 40-ounce tumblers that encourage ...

This article may contain affiliate links that Yahoo and/or the publisher may receive a commission from if you buy a product or service through those links. Over the last few years, the cardinal rule ...

How to Make a Micro Hydro Generator at Home ...

Hydro Flask’s new product is compact, stylish and affordable in a pocket-friendly package. The new Micro Hydro line has four 6.7-ounce bottles each available for $19.95. Hydro Flask recognizes that ...

Japan’s Ricoh has designed a micro hydropower system for sewage plants that could potentially be used in combination with ground-mounted solar or floating PV. The system features a sustainable water ...