United States and China Trade Legal Blows Over Maritime Sector and Electric Vehicle Subsidies

Trade tensions between the United States and China have intensified as both nations initiate legal and regulatory actions targeting key industrial sectors. According to reports from Reuters, the Wall Street Journal, and Bloomberg, the Office of the United States Trade Representative (USTR) initiated a Section 301 investigation on July 23, 2026, into China’s acts, policies, and practices in the maritime, logistics, and shipbuilding sectors.

The investigation was launched in response to a formal petition filed by five major US labor unions, including the United Steelworkers. The petition alleges that the Chinese government utilizes non-market policies, state-directed subsidies, and discriminatory practices to dominate global shipbuilding and maritime logistics. According to the unions, these practices disadvantage American firms and workers, hindering domestic competitiveness in critical maritime industries.

In response to separate US economic policies, China has taken its grievances to the global stage. On July 25, 2026, China requested dispute consultations at the World Trade Organization (WTO) regarding the United States’ Inflation Reduction Act (IRA) subsidies, as reported by Reuters, Bloomberg, and the Wall Street Journal. Beijing argues that the IRA’s tax credit provisions for clean vehicles discriminate against foreign goods and violate WTO national treatment obligations. Specifically, China challenges the requirements that clean vehicle components must be sourced from specific regions to qualify for subsidies.

The USTR’s office has defended the legislation, stating that the IRA is designed to address the global climate crisis and secure clean energy supply chains. However, Beijing’s WTO filing marks a formal challenge to the US industrial policy, which seeks to reduce reliance on Chinese supply chains for green technologies.

The USTR’s Section 301 investigation will closely examine the extent of state support in China’s shipbuilding sector, which has grown to command a dominant share of the global market. US labor unions argue that without government intervention to counter these non-market practices, the domestic shipbuilding industry will continue to struggle. Meanwhile, the WTO dispute over the IRA highlights the delicate balance between climate initiatives and international trade rules. As both nations dig in, these disputes are expected to influence international trade policy and supply chain strategies for years to come.