WOODSTOCK, Ontario-When Toyota opened its newest North American assembly plant here last fall, it was chock full of the company’s very latest thinking and innovations for building a car efficiently.

But with the global automobile industry mired in its worst crisis in a quarter-century, even Toyota's latest standards for lean manufacturing are not good enough. Now, employees have been charged with finding upward of $100 million in annual savings from the Woodstock factory and a nearby plant in Cambridge.MORE