Abstract: Homogenous-charge-compression-ignition (HCCI) engines have the benefit of high efficiency with low emissions of $\hbox{NO}_{x}$ and particulates. These benefits are due to the autoignition ...

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...

As the automotive industry pushes the boundaries of internal combustion engine performance—demanding more power, better fuel efficiency, and lower emissions—manufacturers continue to seek cutting-edge ...

Michal studies Automotive Journalism at Coventry University in the UK, and has been writing for CarBuzz since March 2025. He was nominated for student culture piece of the year recently and has been ...

Runs on: OpenJDK 64-Bit Server VM v21.0.4 Compiled: 2025-09-07T09:00:51+0200 Build ID: main/00b4b30e Built on: OpenJDK 64-Bit Server VM v21.0.4 Timing Diagram shows and works, but there are no buttons ...

Engines are often judged by their strength, durability, and how long they can keep running without serious issues. For many car owners, one of the biggest concerns is whether the timing chain inside ...

Timing chains are an essential part of many internal combustion engines, responsible for synchronizing the rotation of the crankshaft and camshaft(s). This synchronization is critical because it ...

Report No. 3 in our series on building a 350-cubic-inch Chevy V-8 engine comes to us from Jeff Smith by way of our October 1989 issue. Preparing a block and blueprinting are critical first steps in ...

There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...

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, ...

When aerospace insiders began speaking out about secret vehicles capable of defying gravity, a new term entered the fringe lexicon—ARV, or Alien Reproduction Vehicle. Claimed to be engineered by U.S.

Do you know what a timing belt or a timing chain is and what they do? Could you find them on your vehicle's engine if you had to? If you answered no, don't sweat it. Both are buried behind a lot of ...