The desire to transmit renewable energy with tools that are smaller, shorter and quieter is a growing trend.

CGTN's "Tech It Out" team set out on a journey to Madrid, Spain and found a tech company that can turn wind into power without using blades. Simply by using a hollow tube, these innovators are able to capture wind energy and convert it into electricity more efficiently. 

Find out more in this episode of "Tech It Out" and learn more stories about carbon neutrality with CGTN's documentary "Human Carbon Footprint."