California’s manufacturing sector is already hurting after losing close to one-fifth of its workforce in the last five years. And now the NUMMI auto factory in Fremont is closing, eliminating 4,700 jobs. On top of that, another 15,500 jobs at suppliers across the state are expected to be lost. San Joaquin County already has unemployment rates close to 20 percent, so this closure comes at an especially terrible time. As the vicious unemployment cycle continues across the state, what does this mean for the future California manufacturing?