Look under the hood of a semi-truck and you're almost guaranteed to find a diesel engine. But why is it such a popular choice ...

The diesel engine took the automotive world by storm, powering everything from cars to industrial machinery. Who invented it? Who patented it?

Toyota clearly got it right with this engine three decades ago, and it's still selling it virtually unchanged in new vehicles ...

Diesel engines must comply with emissions standards. Heavy-duty equipment is no exception. Here's what the diesel tier system ...

Just a short time after reducing regulations regarding fuel and exhaust systems around diesel engines, the EPA seems to be ...

In today's world of automobiles, internal combustion engines are available in a wide array of induction systems. We have diesel engines, gasoline engines, turbocharged engines, and more. One condition ...

Internal combustion engines are incredibly complicated machines that many of us interact with on a daily basis, but don't completely understand. You get in your car, turn the key or push the start ...

When you look at total cost (purchase price, destination fee and five years of fuel), the 2026 GMC Sierra 1500 Denali with the 3.0-liter Duramax turbo-diesel engine costs less than every other Denali ...

As engines get more complex to provide better performance and efficiency, dependability can sometimes take a backseat. Not so ...