Premium gas sounds like it’s something special. But it translates into paying extra for a higher octane without any performance or fuel-economy benefits for many cars. That’s what we found after ...

When it comes to improving your car’s performance and protecting it from untimely damage, an octane booster can make a world of difference. In case you’re unfamiliar with octane boosters, they’re ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...