In the future, working up a sweat by exercising may not only be good for your health, but it could also power your small electronic devices. Researchers have designed a sensor in the form of a temporary tattoo that can both monitor a person’s progress during exercise and produce power from their perspiration.

The LightCatcher brings the sunlight indoors, without the heat, and claims to reduce the need for artificial lighting for about 10 hours per day, using just 1% of the roof's surface area.

Renewable energy investments are beginning to grow at a rapid pace, according to a new report from Bloomberg New Energy Finance.

Clean energy is becoming a priority for many countries throughout the world. In small, developing countries, renewable energy represents economic growth and sustainability. In large countries, the economic aspects of clean power are also attractive, but energy is more of a politic matter rather than an environmental one.

Water-related energy use accounts for about 19% of the state’s total electricity use,including treating, pumping and conveying water to your home, heating the water for your shower and washing machine, and treating the wastewater that leaves your home.

The DeltaStream device to be installed in Ramsey Sound, Pembrokeshire, is developed by tidal stream technology company Tidal Energy Ltd. According to the project developers, it is the first private marine project to be fully developed in Wales, having secured all the required planning and environmental consents together with a lease agreement from The Crown Estate.

BG Energy Solutions, a specialist in energy management for businesses and large organisations, has helped more than 70 cinemas in the Vue multiplex chain achieve energy savings in excess of 20%.

A group of scientists have converted used-cigarette butts into a high-performing material that could be integrated into computers, handheld devices, electrical vehicles and wind turbines to store energy.

This technology can simultaneously remove impurities and produce clean gas for heat and power generation from waste biomass.

Your kitchen is probably full of appliances, eating up electricity. Here are our top tips to help you save energy in the kitchen.

A Kansas State University biochemist is improving biofuels with a promising crop: Camelina sativa. The research may help boost rural economies and provide farmers with a value-added product.

Ben Franklin said, “A penny saved is a penny earned.” Adjusted for inflation we might say that a hundred dollars saved is a hundred dollars earned. Actually it’s more than that; when you earn $100 you pay income tax on it, but when you save $100 you keep the whole Benjamin!

A new carbon fibre far infrared heater, Technoheater, is now enabling large commercial buildings to save on their energy bills by using its distinctive properties.

Net energy analysis provides a quantitative way to compare the amount of energy a technology produces over its lifetime with the energy required to build and maintain it.

Germany continues to surge ahead in the use of renewable energy with the latest statistics showing the amount used in gross domestic consumption is heading towards 30 per cent.

A student accommodation firm is to spend £21 million to install energy-saving lighting in 120 properties across the UK. Unite Students has teamed up with electronics company Philips, which will upgrade the lighting in 23 town and cities in the next two years.

The use of recycling in the manufacturing processes of materials such as iron, steel and aluminium has been “a main driver” of improvements in energy efficiency within the industry.

Google is offering a million-dollar prize for a breakthrough that would make solar or wind generated electricity more enticing for everyday uses.

India has announced plans to build the world’s biggest solar-power generating facility on a salt-producing plain in Rajasthan, but experts say the massive project may still face ecological hurdles.

Smartphones and water are not normally best buddies – as anyone who has dropped their handset in the loo can attest – but that all may change soon thanks to some clever scientist

Brussels has proposed that European countries should increase their overall energy efficiency by 30% by 2013.

The Energy Department announced up to $6 million in funding to deploy and demonstrate four emerging energy-saving technologies in commercial buildings across the country.

Half the fun of a holiday is leaving behind the niggling worries that get in the way of everyday life, so the last thing you want to be thinking about as you sip cocktails from a sun lounger is whether or not you should have turned the heating off before you left home.

Naveen Rabelli's tuk-tuk broke down the first time he rolled it out of his garage. The electrical engineer didn't lose heart: now, he plans to drive his customized three-wheeler all the way to London.

A new ranking has lauded Germany for its energy efficiency, while condemning the United States for lagging near the bottom.

Spinach gave Popeye super strength, but it also holds the promise of a different power for a group of scientists: the ability to convert sunlight into a clean, efficient alternative fuel.