Campagne anemometriche [ http://www.impiantieolici.com ]
Campagne anemometriche analysis of airspeed is very important in order to establish the real potential of a site. Anemometric campaigns for the construction of large wind farms last at least a year. The sampling is done at various heights so that we can extrapolate the curve of growth of the wind according to the height.

Tribology: HFRR Fuel Lubricity as per ASTM D6079 [ http://tribotesters.net ]
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PV Solar UK [ http://freeelectricity4u.co.uk ]
Installs solar power systems for homes in the UK (Photovoltaics). Details a 25 year guarantee on all PV installations. UK based.

DIY Solar Panels [ http://howsolar.com ]
Solar energy explained for beginners.

Solar Battery Charger [ http://www.solarbatterycharger.org.uk/ ]
Keep your battery levels topped up with a solar battery charger and help reduce the worlds reliance on carbon fuels with one of the greenest forms of energy known to man.