The U.S. International Trade Commission voted 4-0 today to find that imports of cheap solar panels have caused injury to domestic solar manufacturers, setting up a high-stakes tariff decision for President Trump. The case? In April, a bankrupt US-based solar manufacturer filed a petition with the ITC to impose a tariff and floor price on imported crystalline silicon PV solar panels, citing foreign government subsidies (mainly China) as the cause for harm on domestic PV manufacturers.