The plan includes what Winnipeg Free Press described as a "front-loaded substantial release" of diesel within the first 20 days. Financial Post, which called it a "substantial diesel release" within the same window, reported that the split between diesel and crude oil was not specified.

Participants differ by account. Winnipeg Free Press lists the United States, Canada, the United Kingdom, France, Germany, Italy, Japan and the European Union. Financial Post's list names the same seven countries but does not mention the European Union.

U.S. President Donald Trump announced the initiative on social media. According to Winnipeg Free Press, he cited pressure from the Republican party ahead of the Nov. 3 midterm elections. That outlet also reports the move aims to stabilize markets disrupted by the war in Iran and Russia's war with Ukraine, and says Trump launched the Iran war to prevent nuclear proliferation.

According to Financial Post, the joint statement condemned Iran's attacks, called for restoration of navigational rights in the Strait of Hormuz, and set out the aim of stabilizing energy supplies and shielding citizens from price shocks. Winnipeg Free Press reports that Tehran has intermittently closed the strait since the war began, and that G7 leaders called on Iran to restore navigation. It also reports that the G7 reaffirmed a commitment to refrain from export restrictions on energy products among member states.

Canada is the only G7 nation without a strategic oil reserve, according to Winnipeg Free Press, which reports that Canada will coordinate refinery maintenance schedules to support the effort. Natural Resources Canada data cited by that outlet show the average diesel price in the country rising from $1.52 per litre in January to $2.61 in October. Financial Post reports retail diesel reached record highs of up to $2.75 per litre, which it says triggered trucker protests across the country. The two figures may measure different things, an average in one case and peak retail prices in the other, so they are not directly comparable.

U.S. diesel hit a record $6.52 on Sept. 22 and stood at $6.37 on Friday, according to Winnipeg Free Press. Financial Post reports that Trump has previously threatened to ban U.S. diesel exports, and that analysts warn such a move could accelerate global stock drawdowns.

Financial Post cites a September IEA report saying diesel accounts for about 30% of global oil demand and that supplies have been severely affected by military strikes on refinery infrastructure in the Middle East and Russia. David Oxley, chief climate and commodities economist at Capital Economics, said, as reported by that outlet, that the economic shock could be comparable to the natural gas crisis in Europe in 2022.