“It’s like we’re now working only for oil companies and traffic-regulating agencies,” said George San Mateo, secretary-general of the Pagkakaisa ng mga Samahan ng Tsuper at Operator Nationwide (Piston), on the increase in traffic violation fines. BY ALEXANDER MARTIN REMOLLINO AND MARIANNE FAYE B. MIRAMBEL LABOR WATCH Bulatlat Mario San Juan, 46, a jeepney driver,…