Beginning in 1972, all engines were designed to run on unleaded gasoline.
Domestic consumption of unleaded gasoline fell 1.2 percent in the first quarter.
The price for future delivery of wholesale unleaded gasoline moved lower.
It's the station itself that's considered green; the unleaded gasoline it sells is not.
They can get up to 45 miles per gallon in the city on unleaded gasoline and have very low emissions.
And I pay less than $1.00 a gallon for my unleaded gasoline.
The 400 was modified in 1975 to use unleaded gasoline.
The prices for heating oil and unleaded gasoline were also lower.
It allowed consumers to buy unleaded gasoline and for a fixed price.
The national average price for a gallon of regular unleaded gasoline last week was just under $2.24, up 43 cents from a year earlier.