Scientists Aim to Boost Efficiency of Wind Farms

Modern wind turbines usually operate in groups or so-called "wind farms," some of them with more than 100 turbines. But the air turbulences they create decrease their overall efficiency. VOA’s George Putic tells us how scientists at Vanderbilt University are trying to solve this problem.

© La Voix de l'Amérique - vendredi 13 mars 2015