As a parts shortage caused by the earthquake and tsunami in Japan continues, Toyota Motor Company will further reduce production at North American plants, including a facility in Georgetown, Kentucky.Earlier this month, the company announced that plants would be closed on Mondays and Fridays through late April. That pattern is now being extended through early June, and production will be halved Tuesdays through Thursdays. Production will be suspended for an entire week after Memorial Day.Company officials say a decision on further delays will be made later.As with previous production halts, workers will be allowed to show up at the plants and be paid to perform other jobs not related to production or go through additional training. No layoffs are planned. Governor Steve Beshear is applauding that decision.