The BMW X7 xDrive40d has an 80-litre tank, a 152 mph top speed, will reach 62 mph in a claimed 5.9 seconds, seats seven and ...

The most off-road capable version of the Ram 2500 has just been unveiled, and for the first time in a Power Wagon, big ...

Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

Article subjects are automatically applied from the ACS Subject Taxonomy and describe the scientific concepts and themes of the article. Particulate matter (PM) is a common byproduct of internal ...

A clean-sheet engine design always merits a second look, and when that engine is a high-tech unit designed as the volume-seller for a global conglomerate that’s been in rough straits, it’s worth a ...

More an ancient tool than a groundbreaking gadget, the fire piston relies on basic chemistry to ignite a campfire with the simple pump of a hand. The new Aviator's Ember from Aerohart applies ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

You might already know that gasoline and diesel engines both operate using the same four-stroke cycle: intake, compression, power, and exhaust. However, a key difference between gas and diesel engines ...