Canada and Mexico are expected to intensify efforts this week to avoid punishing 25% tariffs on their exports to the U.S. in talks to persuade President Donald Trump's administration that their steps to increase border security and curb fentanyl trafficking are working ahead of a March 4 deadline.

Gasoline prices are up 29 cents a gallon in Arizona since President Trump took office; prices for produce and other consumer products could spike if he enacts more tariffs on Canada and Mexico, experts say.

President Donald Trump threatens 25% tariffs on imports from Mexico — though so far only on steel and aluminum.

The White House published three separate Executive Orders that imposed blanket tariffs on Canadian, Mexican and Chinese imports. The Executive Orders are all similar in scope, with each having a unique justification for imposing the associated tariffs.

Mexico boosted troop levels at the border after President Trump threatened a tariff on all Mexican goods coming into the U.S. Gabe Gutierrez got exclusive access, and takes a look at whether or not the uptick in troops will impact the flow of illegal immigration and fentanyl into the U.

The leaders of Mexico and Canada have been willing to appease U.S. President Donald Trump to avoid tariffs on their products.