Alexandria Renew Enterprises has begun operating a system to help clean wastewater that is expected to save up to 25 percent on energy and chemicals compared to conventional wastewater cleaning processes.

Norsepower Oy and Bore say the sea trial of Norsepower’s Rotor Sail — a new wind propulsion technology for ships — verified by NAPA and supported by VTT Technical Research Centre of Finland, confirm fuel savings of 2.6 percent using a single small Rotor Sail on a route in the North Sea.

The new town hall building in Viborg, Denmark is a marvel of sustainable and striking design, thanks to Henning Larson Architects.

The energy savings announced today have saved partners a total of $840 million dollars in energy costs and avoided 6 million tons of harmful carbon emissions, equivalent to cutting the emissions of 1 million cars.

Leading bioenergy and bulk materials handling specialist Saxlund International has collaborated with Hope Construction Materials to install and commission a new waste-derived fuel solution for Hope Construction Materials, Britain’s leading independent supplier of construction materials.

Laundry day is on the brink of a time and energy-saving revolution after US researchers developed a new system that dries clothes with ultrasonic vibrations instead of heat.

It sounds like something more akin to alchemy, but engineers have developed a new light powered by gravity.

The US biofuels industry is getting a huge boost, thanks to a $100 million (£65.5m) investment. The US Department of Agriculture (USDA) is investing the cash in a ‘Biofuels Infrastructure Partnership’ to make more renewable fuel options available to consumers.

The World Bank is providing help to boost the share of renewable energy in developing and middle-income countries.

Seven US companies have been awarded funds for energy storage projects. The New York State Energy Research and Development Authority (NYSERDA) has invested the money.

Government officials, international experts and development practitioners agreed that energy efficiency and renewable energy investments have the potential to build resilient economies of the GCC.

Steel company ArcelorMittal South Africa has improved its data centre power usage effectiveness (PUE) by more than 65%, following the implementation of a new, modular data centre solution by Datacentrix, a provider of high performing and secure ICT solutions.

New research by the Federation of Small Businesses (FSB) has found most small firms support energy efficiency.

The SuluNur Kazakhstan scientific-technological consortium has begun production of energy-saving light-emitting diode (LED) bulbs, which are as effective as 250-watt glow bulbs, but require only 40 watts of electricity, according to a report by Tengrinews.

In honor of National Home Improvement Month and just in time for summer, 3M today introduces Ultra Clear Energy Saving Window Film Kits to its line of Home Energy Savings solutions.

An EU-funded project on access to renewable and efficient energy in the municipalities of Vayk and Spitak in Armeniahas started work, aiming to support the municipalities to develop and test replicable models to save energy through the use of efficient measures and renewable sources in residential and public buildings.

Conservators and energy experts seek new solutions for a climate-friendly retrofitting of historic buildings.

Storage of energy from renewable energy sources is vital to Europe’s energy policy. DTU Energy and partners use atomic modelling to develop a rechargeable zinc-air battery that is able to store large amounts of energy.

AJapanese technology firm Ricoh is looking at its new "energy-generating rubber" as one solution. According the company, the new piezoelectric polymer converts pressure and vibration into electric energy with high efficiency, yet is extremely flexible and durable.

The Spanish Kurata Systems business group, led by the Torres family, has launched a new industrial plant in Barajas de Melo (Cuenca), which converts waste from refinery, industrial oil and plastic into fuel oil through a process of treatment, gasification and molecular transformation.