NBC News has reported that missile attacks could commence Thursday in an effort to send a message to Syrian President Bashar Assad that domestic chemical weapons attacks will not be tolerated.
The tension has rattled energy markets, pushing oil prices in New York to their highest level since May 2011.
West Texas Intermediate crude oil added $1.09 to $110.10 per barrel. Reformulated blendstock gasoline gained 4.77 cents to reach $2.9604 per gallon. Home heating oil added 4.43 cents to reach $3.2099 per gallon.
Natural gas added 1 cent to $3.583 per million British thermal units.
At the pump, the national average price for a gallon of unleaded regular gasoline was $3.546, up from Tuesday's $3.542, the AAA Fuel Gauge report said.