BUCKEYE, AZ--Nikola Motor Co. announced last week that it will build a new plant in this Phoenix suburb to manufacture hydrogen fuel cell-powered trucks. Salt Lake City-based Nikola chose the site from among 30 locations in nine states considered during a 12-month site-selection process for the zero-emission facility.The project is said to provide 2,000 new jobs and more than $1 billion in capital investment by 2024.