Pioneer was struggling even then, but the last six years have taken a final toll. The challenges range from the hyper-local (the dearth of convenient parking in Pioneer’s mixed industrial and residential neighborhood requires some employees to clock out several times a day to feed parking meters on nearby streets) to the relentless pressures of global competition. There’s also an immutable law of nature: aging. “Key staff were retiring or (sadly) dying,” Rosenstein mentioned in the email in which he notified me of his decision to shut down.

Source: Los Angeles Times December 21, 2018 16:52 UTC