Internal combustion engines typically have low efficiency, with modern gasoline engines around 35% and diesel engines slightly above 40%. This inefficiency stems from the equal length of all four ...

Ask a group of diesel truck owners whether a modern Power Stroke can last 1 million miles, and you’ll probably start an ...

The engine is possibly the greatest invention in the history of mankind. Generally speaking, engines are machines that convert one form of energy into mechanical energy and have revolutionized all ...

The best Cummins diesel engines are the result of decades of innovation, which all began with founder Clessie Cummins. They also have a history of racing at the Indianapolis 500. In 1934, Cummins ...

Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...