Though Ram and Dodge are separate subdivisions of Stellantis, you can still buy this truck with a Cummins diesel.

Audi just certified several of its V6 diesel cars and SUVs to use hydrotreated vegetable oil instead of conventional diesel. While the biofuel compatibility isn't coming to the US, it should lower CO2 emissions for European customers who still run diesels.

The torque and efficiency of diesel engines makes them a perfect fit for some truck owners. Read more...

Someone just reviewed a 2017 Ram 2500 because it's the last full-size truck model with a manual transmission.

Rumor has it that the 2023 Toyota Tundra diesel is on the way. See how the new Toyota Tundra diesel engine will compare.

Dealers are overpricing old Volkswagen Touareg diesels that were never sold. Some are listed as high as $70K.

Most people probably just get the sort of fuel their vehicle recommends without giving it much thought. There are a variety of fuel options these days. So, is one better than another? Diesel and biodiesel can generally be used in many of the same vehicles, so is one better?

The resistance to EV has permeated cultures across the globe. The anxiety around charging stations will need to be addressed before global adoption happens. Until then, alternative fuels are gaining popularity as emissions standards tighten due to global warming.

The company claims the torquey iFORCE MAX is the next best thing. Find out why...

The Urea shortage is wreaking havoc on the world's shipping industry and anything else that uses diesel fuel.

Find out your engine options in the Wrangler, Grand Cherokee, and Gladiator...

If you want the last word in classic luxury car durability, a diesel W123 Mercedes like the 300D is the way to go. But it will only last if you maintain it properly. And even the later turbodiesel models aren't exactly fast.

Muscle cars need lots of power, and a cheap easy way of getting a lot of power is by swapping that gas-powered V8 for a diesel.

The Chevy Cruze was an excellent sedan for its time. It was even available with a turbodiesel engine that got fantastic gas mileage. The Chevy Cruze almost had its own Dieselgate, but the situation seems to be resolved. Why did the Chevy Cruze cause enough controversy to warrant a lawsuit?

Ford is well-known for making trucks that can go anywhere and do anything, and they can do that largely thanks to their engines. However, like with most things in life, some Ford engines were better than others, and that's especially true in terms of diesel engines.

Check out the 2022 Chevy Silverado Duramax flex with its 4,000 lbs maximum towing capacity increase. The Silverado Duramax can now tow up to 13,000 lbs with rear-wheel drive and max tow package.

Rumors that diesel exhaust fluid (DEF) contains urine, supposedly collected from cows or bats, have circulated for years. We at MotorBiscuit set the record straight in 2019. However, a recent article concerning diesel emulsifiers in Science Direct will likely lead to a resurgence of the rumor linking animal urine and diesel engines.

Though some simple changes may be coming through cosmetics and convenience features, the most important is the power. What exactly is the upgrade these trucks are getting?

DEF, or Diesel Exhaust Fluid, is a necessary part of a new diesel powertrain. DEF is made from combining water and urea. Urea is an organic compound found in urine, which spawned some illogical and frankly harmful rumors that DEF contains urine.

You can get a peek at the insides of a toasted low-mileage Ford Power Stroke diesel engine that say serious idle time.