Phillips 66 will begin shutting down its 139,000 bpd Los Angeles-area refinery as soon as next week, sources told Reuters, moving forward on a closure plan announced last year. Units at the plant will idle in phases through Q4 2025, with the facility permanently offline by year-end. The decision isn’t a surprise—Phillips 66 said in October it would exit the site, citing “market dynamics.” But it comes with fallout: about 600 employees and 300 contractors will lose their jobs by December, with only a handful reassigned to…