Tokyo, Japan – Japan’s seven major automakers are extending nationwide production shutdowns amid concern over supply chain interruptions, power shortages and export difficulties following the earthquake and tsunami.

Toyota, one of the few automakers with a major manufacturing presence in the quake zone, suspended all manufacturing at its assembly and parts plant on Monday and extended it through at least Wednesday. The company expects to lose output of approximately 40,000 vehicles over the three-day period.

Carmakers are also halting production in plants not affected by the disaster, partly to give workers time to regroup with their families.

Some U.S. production may be hit if plants cannot get parts normally imported from Japan, according to Automotive News.

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