SAN JOSE, CA - JULY 21: U.S. Secretary of Labor Hilda Solis (L) looks at a hybrid bus engine with Santa Clara Valley Transportation Authority maintenance training supervisor Russell Anderson (R) ... more 
SAN JOSE, CA - JULY 21: U.S. Secretary of Labor Hilda Solis (L) looks at a hybrid bus engine with Santa Clara Valley Transportation Authority maintenance training supervisor Russell Anderson (R) during a tour of the agency's hybrid technology training program on July 21, 2011 in San Jose, California. Secretary of labor Hilda Solis toured the Santa Clara Valley Transportation Authority's Chaboya Bus Division hybrid technology training program that has given longtime employees an opportunity to cross train and move up within the company. The VTA has a new fleet of 90 hybrid buses. (Photo by Justin Sullivan/Getty Images) less 
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Getty Images | Photo By Justin Sullivan / Getty Images
Thu, Jul 21, 2011 4:38 PM EDT