We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, and ...

For automobile owners looking for ways to get maximum performance out of their vehicle, there is no particular shortage of options that can ensure your engine is, as the saying goes, "firing on all ...

Toyota recommends 87 octane for the 2025 Prius, but one owner hit 61.1 MPG using 91 premium. We analyze Jason Black’s ...