SEMA interviewed eight leading distributor/retail centers in China to learn about each shop's most modified vehicles, top brands and products and installation capacity.
SEMA manufacturing members report that the portion of their products sold directly to consumers has grown compared to last year—from 24% in 2008 to 34% in 2009.
The National Highway Transportation Safety Administration (NHTSA) issued the results of a study which indicates that amber rear turn signals may be 5.3% more effective than red rear turn signals at preventing rear-end collisions in which the driver used a turn signal.