Clean Trucking StaffTop StoriesClass 7-8Mack launches brand-new Keystone, updated Granite modelsMack Trucks introduced its brand-new Keystone, a purpose-built Class 8 vocational tractor, and its redesigned Granite during a press event Monday in Las Vegas.Business operationsKeys to tech integrations that make your company strongerTechnician trainingTech sentiment about career hits new lowIndustrySupreme Court strikes down Trump's IEEPA tariffsClass 7-8Production begins on all-new Volvo VNR