A reported US peace proposal would restore Russian pipeline gas sales to Europe, testing EU law, energy investments and corporate risk calculations.
A bipartisan House bill would seek to ban Russian oil purchases after Trump said talks with Putin produced a diesel supply agreement.
The House cleared debate on a Graham sanctions bill that would give Trump tariff powers targeting Russian energy buyers.
Russia is expected at the G20 energy meeting in Houston, adding sanctions, security and corporate risk questions to the agenda.
Russia permits sale of Euro-3 standard fuels domestically through 2026 to mitigate supply shortages caused by refinery disruptions and attacks.