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Against the backdrop of rising tensions in the Middle East, the national average price of a gallon of diesel increased for the third consecutive week, spiking 20.4 cents to $3.775 a gallon.

The cost of hauling refined oil out of the Middle East surged on June 17 as shippers reacted to the conflict between Israel and Iran.

Diesel prices kept rising on June 17 as concerns about Middle Eastern supplies — a consequence of the Israel-Iran conflict — piled pressure on an already tight market.

The national price of diesel climbed a dime to $3.571 a gallon, according to U.S. Energy Information Administration data released June 17.

The national average diesel price bumped up 2 cents to $3.471 a gallon, according to U.S. Energy Information Administration data released June 10.

The national average price for a gallon of diesel dropped 3.6 cents to $3.451, according to U.S. Energy Information Administration data released June 3.

The national average diesel price changed course from a week earlier, dropping 4.9 cents to hit $3.487 a gallon, according to U.S. Energy Information Administration data released May 28.

The national average diesel price rose 6 cents a gallon to $3.536, its first increase since early April, according to U.S. Energy Information Administration data released May 20.

The national average diesel price dipped 2.1 cents a gallon to $3.476, the fifth straight decline, according to U.S. Energy Information Administration data released May 13.

The national average diesel price ticked down 1.7 cents a gallon to $3.497, according to U.S. Energy Information Administration data released May 6.