SOLAR STORM: China rejected a U.S. antidumping ruling against its makers of solar power equipment. The conflict has worsened U.S.-Chinese trade tensions. The two governments have pledged to cooperate in developing renewable energy but accuse each other of violating free-trade pledges by subsidizing their own manufacturers.
GOVERNMENT BOOSTS: Foreign competitors complain Chinese manufacturers get too much government support. Beijing admits it gives them research grants and tax breaks but says they are in line with practices by other governments.
GETTING BURNED? The Commerce Department launched its investigation in November following complaints by a group of U.S. producers.