unleaded petrol BrE
unleaded gas AmE

The seventy-threes are the hardest to find but this one works with unleaded gas.

"And the cars you get in Belgium are increasingly for unleaded gas."

They're at the threshold now of immersing themselves in lead or starting with unleaded gas.

Nationally, the average price for a gallon of regular unleaded gas has dropped 4.5 cents in the last three months, to $1.24.

The three-cylinder engine took unleaded gas and got an average of 40 miles a gallon.

Surveys by the chapter showed unleaded regular gas at $1.57 a gallon last week and $1.67 a month earlier; it was $1.58 a year ago.

African governments now say that unleaded gas will soon be the fuel of choice.

The unleaded gas needed to fuel the vehicles is not even available on the island.

Runs on a mixture of unleaded gas, and aviation fuel.

To get unleaded gas we had to drive to the nearest freeway a fourth of a tank away.