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.
We do not find the price difference that significant on many vehicles. If a vehicle is driven 10,000 miles per year, and achieves 20mpg, then that car uses 500 gallons per year of gasoline. Typically, the price difference between regular unleaded and premium unleaded is 20 cents.e do not find the price difference that significant on many vehicles. If a vehicle is driven 10,000 miles per year, and achieves 20mpg, then that car uses 500 gallons per year of gasoline. Typically, the price difference between regular unleaded and premium unleaded is 20 cents.