Brazil’s government is facing mounting pressure as it decides on a request from Chinese carmaker BYD to reduce import tariffs for a year on semi-assembled electric and hybrid vehicles.The proposal, now under review by the Chamber of Foreign Trade, or Camex, has sparked a wave of opposition from global carmakers and regional governors who warn it could undermine Brazil’s industrial base and lead to job losses.The Camex panel, which was meeting on Wednesday, was expected to render a decision...