Audi is building a plant in Germany that will use surplus power produced from renewable sources, such as wind energy generated when demand is low, to produce methane from water and carbon dioxide.

The plant, which will use technology developed by Stuttgart-based SolarFuel, reportedly will produce (more…)

A waste treatment plant in Waterbeach, UK, is now being powered mostly with solar energy. Lightsource Renewable Energy Limited and Solarcentury have jointly developed the photovoltaic (PV) 5MW project that will provide 70 percent of AmeyCespa’s Mechanical Biological Treatment plant in the small village in the region of Cambridgeshire. (more…)

It’s commonly accepted that incorporating energy efficiency in your home or office will typically save energy and money. In most cases, you’ll be able to estimate the cost-savings you’ll realize by making improvements to your energy system.

What’s more difficult to gauge is the cost associated (more…)