Fuel octane is an important factor when it comes to the gas we use in our vehicles, but the big debate is whether octane booster additives are necessary for a car to run at peak performance.

Thankfully these sorts of additives are not used in gasoline sold in the United ... s a driver’s choice whether they up the octane and buy premium fuel, but experts say go by the book.

How high of an octane does your car actually need to run well? Here's what to know about the consequences of using the wrong ...

Q. Is it necessary to use premium 91 octane gas or can I safely use regular 87 octane in my 2017 Acura RDX? What about mid-grade 89 octane? A. Acura recommends 91 octane fuel, and the key word is ...

The company’s ethanol is used as an octane enhancer in fuels; an oxygenated fuel additive for reducing ozone and carbon monoxide emissions; and a non-petroleum-based gasoline substitute.