U.S. President Donald Trump's plan to revive U.S. shipbuilding using massive fees on China-linked ship visits to American ports is causing U.S. coal inventories to swell and stoking uncertainty in the embattled agriculture market, as exporters struggle to find ships to send goods abroad.

Proposed U.S. port fees on China-built ships choking coal, agriculture exports
U.S. agriculture exports face uncertainty due to proposed shipping fees, traders say

Trump trade threats compound global ocean shipping uncertainty
The global ocean shipping industry that handles 80 per cent of world trade is navigating a sea of unknowns as U.S. President Donald Trump stokes trade and geopolitical tensions with historical foes as well as neighbors and allies.

Tentative labour deal heads off US port disruption; Trump credited
A tentative labor deal forestalled potentially damaging trade disruptions at three-dozen U.S. East Coast and Gulf of Mexico ports, with both sides in the talks crediting President-elect Donald Trump for clearing the way for them to hammer out a deal on automation.