Alternative to high-octane Crossword Clue

 The crossword clue for "Alternative to high-octane" is REGULAR.

High-octane gasoline is a type of gasoline that has a higher octane rating than regular gasoline. Octane rating is a measure of a fuel's resistance to knocking. Knocking is a phenomenon that occurs when the fuel ignites too early in the combustion chamber, causing a loud noise.

Regular gasoline has an octane rating of 87, while high-octane gasoline has an octane rating of 91 or higher. High-octane gasoline is often used in high-performance cars because it can prevent knocking. However, it is not necessary for most cars.

Regular gasoline is a good alternative to high-octane gasoline for most cars. It is less expensive and it does not have the same environmental impact.

Here are some other alternatives to high-octane gasoline:

Ethanol: Ethanol is a type of alcohol that can be used as a fuel. It is made from corn or other crops. Ethanol has a lower octane rating than gasoline, but it can be used in most cars.

Biodiesel: Biodiesel is a type of fuel that is made from vegetable oil or animal fat. It has a higher octane rating than gasoline and it is better for the environment.

Electric cars: Electric cars do not use gasoline at all. They are powered by batteries. Electric cars are becoming more and more popular because they are better for the environment.

I hope this helps!