Sandia National Laboratory led by Sandia researcher Peter Van Blarigan that has been testing physical components of free-piston engines which could be 50% efficient. This is about twice as good as ...

1. EcoMotors is developing high-efficiency engines — specifically the unique opoc (Opposed Piston Opposed Cylinder) engine — for use in cars, light trucks, marine applications, agricultural vehicles, ...

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 ...

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 ...

Your car and your motorboat both rely on engines to move, but both vehicles use very different types of engines in order to ...

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 ...

At a time when heavy-duty internal combustion is frequently castigated in the shadow of zero-emission all-electric and fuel cell powertrains, a leading non-profit clean transportation group is ...

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 ...

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 ...

Carmakers spent the past decade promising an all-electric future, yet the newest wave of multibillion‑dollar investments is ...