An employee monitors electricity consumption at a so-called "smart meter" control room of Nissan Motor Co.'s Oppama plant in Yokosuka near Tokyo, Saturday, July 2, 2011. Starting Saturday, Nissan and ... more 
An employee monitors electricity consumption at a so-called "smart meter" control room of Nissan Motor Co.'s Oppama plant in Yokosuka near Tokyo, Saturday, July 2, 2011. Starting Saturday, Nissan and other Japanese automakers are working weekends and instead taking Thursday and Friday off for an aggressive nationwide effort to fight the power crunch created by the tsunami-crippled Fukushima Dai-ichi nuclear power plant. (AP Photo/Shuji Kajiyama) less 
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Associated Press | Photo By Shuji Kajiyama
Sat, Jul 2, 2011 6:07 AM EDT