Benchmark West Texas Intermediate crude for April delivery fell $1.59 to US$103.33 a barrel on the New York Mercantile Exchange. On Monday, oil added $2.33 to close at $104.92.
Brent crude, used to set prices for international varieties of crude, fell $1.90 to US$109.30 a barrel on the ICE Futures exchange in London.
Putin said that the situation in Ukraine is "gradually stabilizing."
Although he did say the Kremlin was ready to protect ethnic Russians in Ukraine, his comments cooled tensions that rose when Russian troops took control of all Ukrainian border posts on the strategic Crimean peninsula. Also Tuesday, the U.S. announced a US$1-billion aid package in energy subsidies to Ukraine.
Russia was the world's second-largest producer of oil in 2012, accounting for 12.6 per cent of global supplies, according to the International Energy Agency. It was also the world's top exporter of natural gas that year, the IEA said.
So, any economic sanctions against Moscow — one of the few tools available to the U.S. and Europe — could limit world supply and push up prices.
In other energy futures trading on Nymex, wholesale gasoline lost four cents to US$2.99 a U.S. gallon (3.79 litres), heating oil fell four cents to US$3.04 a gallon and natural gas jumped 18 cents to US$4.67 per 1,000 cubic feet.
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