The Hyundai Theta II 2.4-liter engine has a reputation that’s hard to ignore. Recalls, lawsuits, and owner complaints have ...

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

Step inside the cleaning process as a sports car’s engine bay is pressure washed to remove accumulated grime. The video ...

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

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...