OKLAHOMA CITY – A wind farm in southwest Iowa suffered a direct hit from a powerful tornado that crumpled five of the massive, power-producing towers, including one that burst into flames. But experts ...

You won’t be surprised to read that Iowa is big farm country. If you’ve ever driven through the state, you doubtless noticed the vast expanses of land given over to agriculture. By some estimates, ...

AMES, Iowa – Hydraulic equipment in two civil engineering labs recently pushed and pulled at test sections of a new kind of wind turbine tower, simulating the heavy, twisting loads that towers have to ...