Toyota Motor Corp. said Thursday its global production for May fell 4.1 percent from a year earlier to 812,191 units, marking the fourth straight month of decline as the automaker continues to grapple with stiff competition in China. Its production outside Japan fell 7.0 percent to 556,877 cars as output in China plunged 21.7 percent due to an ongoing price war with local brands in the world’s biggest auto market, it said. Europe also logged a 5.3 percent decline due to fewer business days in France. Production in North America inched up 0.8 percent, Toyota said. In Japan, output grew 2.8 perc…