Calpers Board challenges automakers on California lawsuit

The Calpers board, the biggest U.S. pension fund, said on Monday it wants major car makers to meet with it and defend their lawsuit against California's new rules for reducing exhaust emissions.

Calpers, joined by Calstrs, the third largest U.S. pension fund, hold more than $1.5 billion in automaker shares.(Click here for the complete Reuters/Yahoo story)