Lead-free petrol for cars (not premium grade) is widely available but additives can clog the stove burner.

A$0.38143 per litre on Unleaded Petrol fuel (Includes standard, blended (E10) and premium grades)

About 9% of all gasoline sold in the US in May 2009 was premium grade, according to the Energy Information Administration.

Sturgeons, including the shovelnose, are highly regarded for their flesh and their roe, from which premium grades of caviar are made (Barton 2007).

The blend might then be competitive in price with premium grades of gasoline.

Bernard I. Robertson, Chrysler's vice president for engineering technologies, predicted that premium grades of diesel, consisting of a blend with synthetic fuel, would become available within five years.

Future diesel cars and light trucks will probably require the premium grades, much as current models require unleaded gasoline to reduce pollution, he said.

For premium grade, pressure-treated yellow pine decking, Mr. Hyman said, he charges $14 a square foot.

Regular and premium grades declined by similar amounts.

I never thought my produce was premium grade.