Your engine feels calm at a stoplight because a hidden idle system keeps fuel, air, and spark in balance. That quiet ...

Many new cars come with automatic engine start-stop. These systems are designed to save the fuel wasted at idle by turning the engine off when you come to a stop. These systems are becoming more and ...

Horse Powertrain wasn't the only automotive supplier showing an efficiently packaged range-extender engine system at this year's IAA Mobility Munich show, which wrapped up over the weekend. German ...

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 ...

The first production car engine with variable valve timing (VVT) came from Alfa Romeo in 1980. It was installed in the fuel-injected Alfa Romeo Spider. Before this, a few experimental systems existed, ...

In recent conversations with auto manufacturers, 48-V low-voltage rail has come up frequently. But why now? 48-V automotive systems aren’t new. They’ve helped improve efficiency and performance in ...

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 ...

When temperatures drop, the viscosity of the engine oil increases, meaning it becomes thicker. This change affects ...

When it comes to automotive innovation, some engines stand out not just for their power or efficiency, but for how they reshaped the industry and our expectations of what cars can achieve. Today, ...