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 ...

E10 fuel contains 3% less energy than other low-grade petrols. This means if you swap regular unleaded for E10, you’d need ...

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

Spark plugs might sound small and inconsequential, but neglecting to change them can have serious and expensive repercussions ...

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 ...

Whether you're buying a new or used car, it's no small decision. Cars are expensive. In fact, the average annual cost to own a car is roughly $12,000. That includes, car loan payments, fuel, ...

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 ...

Honda and Chevrolet have signed a new multiyear deal to remain IndyCar's engine manufacturers. The agreement helps ensure a smooth transition to a new car and engine set for 2028. IndyCar officials ...