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.
The vast majority of cars are designed to run fine on regular. And premium wonât improve performance or fuel economy for those cars, but it will cost you about 20 cents more per gallon. Our advice: The best gas for your car depends on the vehicle you drive.If the ownerâs manual or the sticker on the fuel-filler door says that premium gas is recommended or uses similar wording, you can probably use regular. If it says premium is required, play it safe with the right octane.ike all drivers, you want to save gas and do whatâs right for your car. But along with the tried-and-true advice, there are some well-intentionedâif off-the-markâtips that can lead you astray. Below are several common myths about fuel use and gas mileage, and the real stories behind them.