NYC firm Green Asphalt is the first US company to use Alpha 311 turbines

Socially-responsible asphalt manufacturer Green Asphalt will be the first company in the United States to install our ground-breaking vertical-axis wind turbines. Green Asphalt is based in New York City, and manufactures 100% recycled asphalt using reclaimed material, and specialises in green infrastructure and development projects. The company has ordered 54 turbines, which can generate enough […]

What a difference a year makes

These are the Mk.VIII and Mk.IX prototype blade assemblies turning in wind averaging 4 m/s. Both have motors and tachometers fitted, so we know that the Mk.IX is more efficient than the Mk.VIII. Atmospheric data is being captured and a camera has been mounted to enable a socially distanced team (in the UK and in […]