Mack’s overhaul of its vocational portfolio also saw the debut at Las Vegas Motor Speedway of the Keystone Class 8 tractor, which will replace the Pinnacle model by the end of 2026.

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

These guides will help you find your way around several generations of Microsoft’s Office apps for Windows — and Windows itself. Need to get up to speed on the latest features in Excel? Wrestling with ...