Joe Biden is poised to quadruple trade tariffs on Chinese electric vehicles (EVs) as the US ramps up tensions with Beijing. The move by the US President came amid fresh measures to tax green energy technologies from China, such as batteries and solar panels, as well as critical minerals and semiconductors. It follows a year-long review of tariffs previously imposed under Donald Trump and comes as concern grows in Washington about a flood of Chinese green energy exports to the West. Many of the tariffs on goods such as solar panels are expected to be held at the same level but the increase in taxation of Chinese EVs shows to what extent the White House views them as a threat. Mr Biden warned in March that the technology-heavy cars pose a risk to American security as they could potentially be used to spy on the country’s infrastructure and citizens. He has also vowed “to do right by auto workers and middle-class families that depend on the auto industry for jobs,” ahead of November’s presidential election. Against that backdrop, Mr Biden is reportedly preparing to raise import tariffs on Chinese EVs from the current rate of 25pc to 100pc, according to...