The United States is moving to impose a 15% tariff and a series of price floors on polysilicon and its derivative products, a step designed to push solar panel manufacturers toward domestic raw materials. Since 2012, the US has relied on anti-dumping investigations, tariffs and tax incentives to steer Chinese solar panel makers away from China and eventually onto American soil. “Since last year, Chinese solar panel makers including Trina Solar, JinkoSolar and Boviet Solar have been unwinding newly built US plants. This sequence followed:In 2012 the Obama administration imposed anti-dumping tariffs on Chinese solar products, but a major loophole let Chinese firms easily bypass them. In 2018 Trump imposed tariffs that forced Chinese solar makers to relocate entire factories to Southeast Asia.