Optimism sure ain’t what it used to be. Introducing its latest survey of auto industry executives [PDF], Booz & Co. proclaims that “optimism is skyrocketing,” and that “a new wave of optimism is overtaking the U.S. auto industry.” They’re not wrong, but for those used to the pre-bailout days of unabashed optimism dressed up as analysis, the “new optimism” is remarkably guarded. And it’s all relative to the pessimism that was beginning to set in when the industry began to realize that the “old optimism” was wildly at odds with the slow-motion market recovery.

So, just how optimistic is the “new optimism”? Which companies have the most reason for optimism? What do industry executives worry about most? When do they expect a Chinese invasion? The answers to these questions and more after the jump.

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