A new study found that the benefits of car preheating for both fuel economy and emissions are minimal. The researchers focused on vehicle fuel consumption and emissions under cold winter conditions.

We may receive a commission on purchases made from links. Over the last century or so, the auto industry has changed in a myriad of incredible ways. It's mind-boggling to think of just how far we've ...

It's no secret that AWD and 4WD vehicles are best for the winter, but when it comes to diesel or gas engines, which is better ...

Diesel-powered vehicles have carved out a space among drivers as a go-to option for durability, fuel efficiency, and raw performance. They have a longstanding reputation for being able to handle ...

Internal combustion engines — including those that run on diesel fuel — rely on various systems, accessories, and electronics to keep the pistons moving and your wheels turning. Of those systems and ...

The basic difference between a diesel engine and a gasoline-powered engine is that in a gas engine, fuel and air is mixed inside a combustion chamber, and ignited by a spark plug. Modern diesel ...