HOUSTON – A Local 2 investigation has discovered some Houston area gasoline stations charging customers for high-octane gasoline that state tests showed was lower octane than what the stations claimed ...

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, ...

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 ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

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 ...

They're everywhere. On the shelves of consumer auto parts stores, on the e-pages of online performance catalogs and occasionally plastered across the flanks of winning competition cars. On their ...