E15, or unleaded 88, is typically cheaper than regular unleaded gasoline, but not all vehicles can accommodate the higher ...

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

A rare high-mileage Theta II teardown reveals how these engines actually fail over time, and it’s not as sudden as you might ...

The Honda is covered in mold and debris from all those years when it collected dust instead of miles. Power-washing the Honda ...

For many enthusiasts, handing over a beloved classic to a restoration shop requires a leap of faith. In Galveston County, Texas, that trust turned into a years-long nightmare for dozens of car owners.

DeKALB, Ill. -- A car manufacturer is changing its tune and replacing a woman's car engine under a recall. But that wasn't the case almost two years ago. In March of 2024, the manufacturer told the ...

Cars need torque; bikes need revs. This assumption has divided the automotive sphere for decades. While both share the same working principle, there are significant differences between a motorcycle ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

The internal combustion engine that we all know and love needs diligent maintenance to keep running in tip-top form. Even the best engines require frequent servicing to deliver peak performance, while ...

It's a common misconception that engine oil being dark is a sign that it needs to be changed, but in reality, this is usually more of an indication that the oil is doing what it's supposed to be doing ...