Trucks with a 6.7L Cummins engine have a block heater built in, so if you live in an extremely cold climate, you'll want to know where it's located.

When winter temperatures plunge, many diesel truck owners make starting their vehicles easier with a block heater. But when, exactly, should you use it?

GM Authority is taking a closer look at how an engine block heater works, while outlining how it can improve cold-weather ...

All vehicles become less efficient in cold weather. In a recent study, researchers in freezing Finland focused on whether engine block heaters could help increase efficiency in internal-combustion ...