Biannual SHOULD mean twice a year. Every two years is biennial. But my dictionaries say biannual MIGHT also mean every two years. Probably everybody is so confused about the two similar words that they don't know what biannual means.
According to U.S.A. Today âs âWeekend Gas Gauge,â the current average price of regular gasoline is $4.026 per gallon. A year ago the price was $2.945. What I hadnât realized was that the gap between regular gas and premium gas has also increased.Right now, premium gas is 38.5 cents per gallon more expensive than regular gas.A year ago, that gap was 29.5 cents. year ago the price was $2.945. What I hadnât realized was that the gap between regular gas and premium gas has also increased. Right now, premium gas is 38.5 cents per gallon more expensive than regular gas. A year ago, that gap was 29.5 cents.
Over the years as gas prices have continued to climb, the cost difference between regular and premium has remained fairly constant, about 20 cents per gallon. Years ago, that extra 20 cents added up to another couple gallons per tank, but today, it adds up to less than a gallon.ver the years as gas prices have continued to climb, the cost difference between regular and premium has remained fairly constant, about 20 cents per gallon. Years ago, that extra 20 cents added up to another couple gallons per tank, but today, it adds up to less than a gallon.