The U.S. Environmental Protection Agency and the Justice Department on Wednesday said a settlement has been reached with two former importers of highway motorcycles, recreational vehicles, and small spark ignition engines. The defendants, Yuan Cheng International Group, Inc. (YCIG) and NST, Inc. (NST), located in Montclair, Calif., allegedly imported and sold vehicles and engines from China in violation of Clean Air Act requirements. The settlement resolves allegation...