Even as emissions rules tighten, diesel engines are far from standing still. That was the message from engine makers and OEMs ...

Several of the world's largest truck makers are switching away from diesel. The replacement comes in two forms, and the race ...

Engine makers say upcoming EPA27 emissions rules will drive evolutionary, not revolutionary, changes to diesel engines, focusing on efficiency, uptime, and simplicity. Manufacturers are refining ...

Think the legendary 6.7 Cummins is the undisputed king of heavy-duty torque? Here are four massive diesel engines that ...

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter “limp mode” when DEF levels are ...

Diesel engines offer tons of torque allied with impressive fuel economy, but they tend to be noisier and less refined than ...

What are the early warning signs that your diesel truck needs attention before a major breakdown occurs? HelloNation has ...

The inline-6 engine layout has its fans in the gas world, but it's the de facto standard design among diesel aficionados. Hardly surprising, as these engines are less complex than any V layout and ...

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...

You may have noticed that diesel drivers tend to idle their engines after driving, typically when finishing a journey, instead of switching off the engine immediately. This action may seem lazy or ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...