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Oil extended the longest run of gains in six months after U.S. shale explorers paused a record drilling expansion in a sign the boom may be slowing down.

The number of Americans traveling by car for the Fourth of July holiday will hit a record high this year, fueled by a growing economy and relatively low gasoline prices, the nation’s largest motorists’ advocacy group said June 29.

A new design in engine pistons is increasing fuel efficiency and reducing particulate matter in Volvo Trucks North America’s heavy-duty D11 and D13 engines.

The U.S. average retail price of diesel set a new low for the year, falling 2.4 cents to $2.465 a gallon, the Department of Energy reported.

The U.S. average retail price of diesel dropped 3.5 cents to $2.489 a gallon, while the stubborn glut of crude caused oil prices to tumble to about $43 a barrel — a range last seen in early August — and into a bear market, experts said.

Payment solutions provider EFS launched its largest fleet savings network to give smaller over-the-road fleets a competitive edge.

The U.S. average retail price of diesel dropped 3.5 cents to $2.489 a gallon, while the stubborn glut of crude caused oil prices to tumble to about $43 a barrel — a range last seen in early August — and into a bear market, experts said.