Donald Trump's plea for Ukraine to stop hitting Russian diesel infrastructure, while seemingly pro-Russia, is a starkly practical take on global economics. He understands that a global diesel shortage causes widespread inflation and hardship that ultimately weakens international support and affects everyone, making it a counterproductive long-term strategy.

The European Union's most potent weapon against coercive US policy is not unified government action, which is slow and difficult. Instead, its true leverage lies in the ability of its large financial institutions, like pension funds, to signal moves that create market volatility and directly influence the White House.

A US oil export ban seems logical during a crisis, but it's counterproductive. American refineries are primarily configured for heavier crude oil, while the US shale revolution produces lighter crude that must be exported. Not all oil is fungible, making global trade essential for domestic refining.

The “energy weapon” is not limited to adversaries. The U.S. Energy Secretary has confirmed that all options, including export controls on refined products, are being considered to manage domestic consumer prices. This move would weaponize America's energy superpower status with significant global consequences.

In economic warfare, controlling an intermediate good like a microcontroller is more powerful than controlling a finished product like a car. Because intermediate goods are inputs to many different supply chains, disrupting their flow causes far broader and more cascading damage to an adversary's economy, creating greater geopolitical leverage.

Ukraine is observing how Iran uses its control over a strategic chokepoint to gain global leverage. This could inspire Ukraine to shift from targeting domestic Russian infrastructure to attacking critical oil and petrochemical export hubs to force the world's attention.

US sanctions on Russian LNG facilities are not primarily about punishing Russia for Ukraine, but are a strategic move in a global "LNG war." The US is using LNG as a tool of foreign policy and national security, meaning these sanctions are unlikely to be lifted even with a peace deal.

As the world’s top oil and gas producer, the U.S. is insulated from energy price shocks. This unique resilience allows it to make foreign policy decisions where the negative economic consequences are disproportionately borne by its international partners, creating a difficult diplomatic dynamic.

While banning US oil exports would initially crash domestic prices, it would quickly cause an overflow of products like diesel in the Gulf Coast. Refineries would then be forced to cut production, ultimately creating shortages of other fuels like gasoline on the East Coast and disrupting the entire system.