Business Pulse Vietnam: Energy Shock Response, Cambodia Spillover Risks, and Renewed Scrutiny of U.S. Trade Exposure

B2B Asia News Business Pulse provides a weekly overview of the main business developments, industrial shifts and regulatory updates defining the current economic landscape in key markets driving regional growth.

Looking at the main business stories in Vietnam this month, the country's narrative has been dominated by energy-security emergency measures triggered by the Middle East shock, including meaningful spillover implications for Cambodia; renewed scrutiny of Vietnam's trade exposure to the United States, and rising investor friction in capital markets and renewables. 

Emergency Energy Policy Moves as the Middle East Shock Deepens

Vietnam's policy pivot reflects a wider regional stress test. The IEA has described the Middle East conflict as triggering the largest oil supply disruption in history, prompting record releases from strategic reserves and sharp global price volatility. ASEAN ministers have similarly warned that the crisis is rattling energy and trade across Southeast Asia.

Against that backdrop, Vietnam announced it would temporarily remove import tariffs on fuels through end-April 2026 to secure supply and dampen domestic shock transmission. The Ministry of Industry and Trade went further, calling on businesses to encourage work-from-home as a fuel-saving measure — an unusually direct signal of supply stress. Despite these interventions, fuel prices rose again on March 11, with the government drawing on its fuel price stabilisation fund to limit the magnitude of the increase.

Cambodia Spillover: Why Vietnam's Fuel Tightening Matters for Phnom Penh

Cambodia has no domestic oil production and depends entirely on imported refined fuel, meaning regional price shocks feed directly into transport, food, and construction costs. Cambodia's retail fuel prices have already surged in response to the Middle East escalation, an early indicator of how quickly external shocks land in Cambodia's cost base.

Vietnam is consistently one of Cambodia's largest refined fuel suppliers, with trade data pointing to approximately USD 692 million in refined petroleum imports from Vietnam in 2024, alongside Thailand, Singapore, Malaysia, and China. When Vietnam shifts into conservation mode — removing tariffs to secure domestic supply, issuing demand reduction messaging, and deploying stabilisation fund interventions — Cambodia faces a higher risk of tighter spot availability, faster price pass-through into logistics and consumer goods, and compounded inflation pressure if the disruption persists and freight and insurance costs remain elevated.

When Cambodian pump prices run higher than Vietnam's, informal cross-border fuel purchasing can act as a grey-market relief valve. Vietnamese customs authorities have already flagged border pressures and tightened controls, meaning that if enforcement continues to tighten while Cambodia's prices remain elevated, that buffer may narrow further, pushing more demand onto formal imports at higher prices.

Beyond fuel, Vietnam is also a major source of machinery, construction materials, and agricultural inputs for Cambodia, meaning logistics disruption and higher freight costs can raise operating costs across multiple sectors simultaneously.

Trade & Industry Show Strong Momentum, But the U.S. Angle Gets Louder

On the trade balance, early official reporting for January to February showed total import-export turnover rising, with exports up 18.3 per cent year-on-year to USD 76.36 billion, while imports rose faster at 26.3 per cent to USD 79.34 billion, leaving a trade deficit of approximately USD 2.98 billion over the two-month period.

On the U.S. trade relationship, official U.S. data showed Vietnam recorded the world's largest trade surplus with the United States in January 2026, overtaking Mexico and China. This is an attention magnet in any period of volatile U.S. trade policy, and exporters and industrial suppliers should expect more scrutiny around rules of origin, transshipment narratives, and sector-specific tariff risk, even if near-term orders remain strong.

Investment flows, meanwhile, remain resilient in real economy terms. Disbursed FDI in January to February 2026 reached approximately USD 3.21 billion, up 8.8 per cent year-on-year and the highest first-two-months level in five years, with manufacturing and processing continuing to take the largest share. This suggests Vietnam is still converting pipeline interest into real capital expenditure despite the external headwinds.

Strong Growth Story of Vietnam's Capital Market With Foreign Participation Still Constrained

Vietnam's equity story remains attractive on paper, but structural hurdles persist. Foreign ownership caps, liquidity limits, index concentration risk, and tariff uncertainty continue to discourage long-term foreign allocations, with net foreign selling recorded through February. 

The broader emerging market backdrop has also turned more fragile as Middle East volatility feeds stagflation concerns and drives more cautious capital flows globally.

Contract Confidence Challenge in Power & Renewables

The renewables dispute has become a core signal on the rules of the game for investors. A letter signed by multiple foreign chambers of commerce warned that retroactive reductions to previously agreed solar and wind feed-in tariffs could lead producers to pursue dispute resolution in Vietnam or other jurisdictions, affecting multibillion-dollar investments across approximately 12 GW of combined capacity. 

Beyond the immediate contract dispute, this raises questions around the bankability of future power projects and the future cost of capital for large-scale infrastructure financing in Vietnam.