On May 14, 2024, U.S. President Joe Biden announced a 100% tariff on Chinese-imported electric vehicles (EVs), while also increasing tariffs on key technological products such as semiconductors and solar cells by 25% to 50%. This measure has effectively rendered Chinese EVs uncompetitive in the U.S. market. For instance, an EV originally priced at $30,000 could now double in cost to $60,000 under the new tariff policy.

Meanwhile, President Donald Trump previously stated that he would impose an additional 10% tariff on all Chinese imports. If this policy were to be implemented alongside the existing 100% EV tariff, the possibility of Chinese EVs entering the U.S. market would be virtually eliminated.

In addition to trade barriers against China, the Trump administration has also initiated major adjustments to the North American trade system. On February 1, 2025, Trump signed an executive order announcing a 25% tariff on imported products from Canada and Mexico. Originally scheduled to take effect on February 4, its implementation was later delayed by one month. This decision has sparked widespread concerns, as the United States, Canada, and Mexico have deeply interconnected supply chains under the 'United States-Mexico-Canada Agreement' (USMCA).

Canada and Mexico are among the countries with the most free trade agreements globally, with over 80% of their exports destined for the United States. Analysts predict that the new tariff policies could significantly shrink the economies of both countries while also driving up costs for U.S. manufacturers. The National Foreign Trade Council of the United States has warned that these measures will be costly for businesses and consumers alike, ultimately harming economic growth.

The impact of tariffs extends beyond automakers, affecting auto parts suppliers as well. Companies such as Aptiv (APTV.US), Lear Corp (LEA.US), BorgWarner (BWA.US), Magna International (MGA.US), and Autoliv (ALV.US) have all seen their stock prices decline. Dana Incorporated (DAN.US) hit its lowest stock price in six weeks, while Adient plc (ADNT.US), a producer of seating and interior components, saw its stock drop by nearly 7%. Canada's largest tire manufacturer, Goodyear, also experienced a 6.5% decline in stock value.

Data shows that approximately 84% of cars sold in the U.S. are domestically produced, while 16% are manufactured in Mexico and 7% in Canada. However, the imposition of a 25% tariff on imported cars and auto parts from North America is expected to increase the average cost of a vehicle by $6,250, a burden that will ultimately be shared by both manufacturers and consumers.

Tariffs, as an economic regulatory tool, are meant to protect domestic industries and balance markets. However, excessive use of tariffs could place pressure on the entire supply chain, affecting business investment, the labor market, and consumer costs. As trade barriers escalate, the U.S. auto industry and the broader North American economic landscape may face profound and lasting consequences.