Open this photo in gallery: An assembly robot operates on the line at a GM electric vehicle manufacturing plant, in Ingersoll, Ont., on Dec. 5, 2022.Carlos Osorio/Reuters Canada’s nascent electric vehicle manufacturing industry could be crippled if this, in Prime Minister Justin Trudeau’s words, “very dumb” trade war sparked by U.S. President Donald Trump drags on indefinitely. And, even if the conflict is short-lived, it’ll surely have a chilling effect on investments in Canada’s EV sector. This will only come as great news to Chinese automakers, who will be loving the fact Trump’s tariffs will push their North American rivals…