Ford once sketched a road where an engine's pistons never saw oil and engines ran hotter on purpose. In a late‑1980s patent application filed and granted in Europe, the company described an "uncooled ...

Ferrari is exploring a groundbreaking approach to the internal combustion engine, as revealed by a recent European patent filing. Departing from the industry-standard round pistons, this new design ...

You might overlook the end gaps of piston rings in your car. They shouldn't be taken so lightly, though, as they actually ...

In a single-cylinder engine, the ability to homogenize and maintain the fuel-air blend prior to and during the burn is a classic combustion-engine problem. Add additional cylinders, and introduce ...

Ferrari has signaled a willingness to challenge one of the most fundamental assumptions in engine design by filing a European ...

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way.

HOT ROD’s archives are chock-full of brilliant tech reports that truly are timeless. This one, drafted by Jim McFarland for our February 1972 issue, provides an extensive look at how important airflow ...

The internal combustion engine has been around for a long time. Just when it seems like every part that could be optimized or improved upon has been already, something new comes out. This latest ...

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 ...

According to fleet executives as well as fleet maintenance managers, the death of the internal combustion engine may prove to be greatly exaggerated in spite of the excitement about electric ...

Just because LEGO Technic is technically a toy doesn’t mean that you cannot do solid engineering with it, like building ...