refinery

After last week's triumphant rescue of 33 miners from Chile's San José mine, attention has turned to mine safety in Chile and worldwide. The Associated Press reports that President Sebastian Piñera fired the top regulators from Chile's mine safety agency and promised to triple its budget. In the weeks following the San José collapse, at least 18 small mines were shut down for safety violations. Piñera has promised that in the coming days he'll unveil a proposal for more effectively protecting Chilean workers, and a commission is investigating the San José disaster and will recommend…