Preliminary tariffs stem from complaint that Chinese companies sold exports at below cost

The United States announced preliminary duties from 13.74 percent to 26 percent on Wednesday against wind-turbine towers imported from China, a move that will heighten tension over trade of clean-energy technologies between the economic powers.

The announcement by the US Commerce Department came two weeks after the agency, responding to allegations of market dumping, slapped preliminary duties on Chinese-made panels used in converting solar energy into electricity.

Those tariffs, which if affirmed through further investigation won't take effect until October, amount... [continue via Web link]