Google announced it was retiring its Octane JavaScript benchmark, saying most of its tests are outdated and contained bugs that allowed browser developers to cheat and obtain higher scores than ...

State Auditor General Jack Wagner prompted lawmakers Thursday to pass a bill that would require inspections to make sure retail gasoline sold in Pennsylvania contains accurate octane levels. Wagner, ...

The fuel and engine community has been using Cooperative Fuel Research (CFR) engines for nearly a century to quantify a fuel’s “knocking” propensity, or the likelihood that it will autoignite in the ...

A method tested on various diesel blends of known cetane numbers showed a good correlation with the fuel’s octane numbers. Spontaneous ignition results in knock in a spark-ignition engine, whereas ...

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