December 4, 2008 3:04 pm IE Truckers Protest Proposed State Regs California’s Air Resources Board is holding hearings on proposed air qualities regulations for trucks on December 11 and 12. Truck companies say the proposed requirements could put them out of business. US & World Videos 3:43 Despite encampment's clearing, safety concerns linger at UCLA 3:09 USC updates graduation plans as protest continues 0:45 Lakers fire head coach Darvin Ham 0:32 1 killed in downtown LA warehouse shooting 1:04 Metro warns of possible delays due to sickout