Despite these complexities, most of the data indicate that wind energy is one of the most cost efficient sources of renewable energy and that when the costs associated with pollution are factored in it is competitive with coal-and gas-fired power stations.
That wind energy is one of the most cost efficient sources of renewable energy and that when the costs associated with pollution are factored in it is competitive with coal-and gas-fired power stations. This is what most of the data indicate despite these complexities.