French government efforts to slow an influx of Chinese-made electric vehicles are bearing fruit, industry data show, highlighting one of the most sensitive trade issues when China's president visits next week. A surge in imports of Chinese electric cars into Europe has triggered EU tariff threats, which are expected to be a bone of contention when President Emmanuel Macron hosts his Chinese counterpart for a state visit on Monday. France did not wait for a European Union decision on implementing tariffs, instead redesigning its cash bonus scheme in December to exclude the purchase of models made in China, which had rapidly gained market share.