To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

More than 90% of global freight is transported by over 33,000 merchant marine vessels powered by two stroke crosshead engines ...

However, not all innovations are equal, and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Nearly every car on public roads uses either an inline or V-angle engine. That includes every model from Toyota's GR Corolla ...

The Polaroid camera clicked, and Keith Schafer peeled back the negative to reveal another oscilloscope trace of an engine's ...

With the debut of the 2026 Jeep Grand Cherokee, Stellantis has unveiled its newest gasoline engine, a 2.0-liter turbocharged ...

You probably already know that your car relies on various different fluids to help it run smoothly. Two of the most well-known and recognizable of those fluids are engine oil and fuel, which, in many ...

As previously mentioned, elevated and consistent results reporting low total Iron (Fe) content as an indication of mechanical and corrosive wear, coupled with BN results in excess of 20mg/KOH, provide ...

As intrinsically carbon-free molecules, ammonia and hydrogen are considered as fuels for internal combustion engines, mainly for long-distance or off-road applications. These alternative fuels have ...

When International’s engineering team joined forces with MAN and Scania back in 2017 to design a new heavy-duty powertrain from scratch, they started with ...

Despite a dealer's promise that a known mechanical flaw was fixed in the new model, one 2025 GMC Yukon Denali suffered catastrophic engine failure at just 2,381 miles.