Tariffs on car parts entering the US come into force

Getty ImagesA 25% import tax on engines, transmissions and other key car parts has come into force in the US, raising pressure on an industry finding its way through a thicket of policy changes. The new tariff comes days after Donald Trump eased the measure in response to business worries, but did not eliminate it.The US president has said the new tariff, along with a 25% import tax on cars that went into effect…