With Project Pure Poncho fully broken-in and its power documented (491.8 hp/551 lb-ft), it was now time to begin our research and development work. As a review to those who may not have followed the ...

Two steps forward make no progress on a treadmill stuck in reverse. Still, US Reps. Bill Flores (R-Tex.) and John Shimkus (R-Ill.) deserve credit for recognizing that the Renewable Fuel Standards (RFS ...

Customers who bought premium gasoline from Los Angeles-area Mobil stations in recent months may have gotten a little less oomph in their tanks than usual. Government inspectors are investigating ...

Malachi's 2016 Toyota Highlander never stops driving, forcing gas stops every 2 days! He gets 25 MPG, uses 91 octane gas, and ...

I recently replaced my wife's 2012 Mercedes-Benz E350 4Matic wagon with a 2016 Volvo V60 Drive-E, a station wagon that impressed me when this magazine had a similar Four Seasons test car in its fleet ...

A new bill has been introduced in Ohio to ensure the quality of fuel that is being bought at gas stations across the state.State Sens. Catherine Ingram (D-Cincinnati) and Willis Blackshear Jr.

Gasoline is a mystery to most hot rodders. For the most part, we just fill up the tank and forget about the fuel. The most difficult question is whether to step up from 89 to 92 octane. As you might ...

Filthy myths run rampant when it comes to understanding race gas. Some say that the higher the octane the slower the burn rate. Others claim that too much octane reduces horsepower. Unfortunately, ...

US regulators have approved the use of a 100-octane unleaded fuel in all spark-ignition aviation engines, a move the general aviation industry says will help its transition away from leaded fuel. The ...