By Claudia Assis and Victor Reklaitis
U.S. home builders also face a new challenge because of increased import taxes on construction materials
Vehicles built in U.S. carmakers' Canadian factories will face an increase in U.S. tariffs on their products in about four months.
President Donald Trump's threat to double tariffs on Canadian vehicles and car parts has thrust Ford to the center of the escalating trade war between the two countries.
Trump earlier Monday vowed to slap a new 50% tariff on Canadian-built automobiles and parts starting Jan. 1, after imposing a separate set of 50% tariffs on the U.S.'s northern neighbor over the weekend.
