Washington is facing international pressure to ease its ban on crude oil exports, with South Korea and Mexico joining the European Union.
NATO leaders will respond to the Ukraine crisis by agreeing this week to create a "spearhead" rapid reaction force that could be sent to a hot spot.
The European Union could ban gas exports and limit industrial use as part of emergency measures to protect household energy supplies.
European Central Bank (ECB) chief Mario Draghi appears to be implementing his own three-pronged plan to rescue the euro zone economy.
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