Trump's tariffs on Russian energy buyers would be a blow for Moscow, but the Kremlin's line on Ukraine is unchanged.

The sweeping secondary tariffs could cut the flow of Russian oil and gas to global markets.

Trump's tariffs on Russian energy buyers would be a blow for Moscow, but the Kremlin's line on Ukraine is unchanged.

China and India would be hit hardest. But Europe would be affected, and the US would face risks as well.

Oil closed 1% lower Wednesday after President Donald Trump announced new India tariffs. Traders seem to believe Trump won't really follow through.

Russian oil exports have proven surprisingly resilient so far, but Trump's "secondary tariff" on India, Moscow's top customer, adds to mounting pressures.