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Russia has been transitioning to a market economy. But its war on Ukraine and the sanctions that have followed could turn back the clock.
"The harsh reality for U.S. oil markets is that there is no switch that anyone can flip to suddenly turn on oil production overnight," one expert told us.
The savings would average about $100 a year for drivers, and that's assuming all the savings would get passed on to consumers.
But analysts say the dip is likely to be temporary.
But international money transfers can be tricky. Ukraine is also accepting help in the form of cryptocurrency.
The core measure strips out food and energy prices, two of the biggest contributors to inflation today.