The first recognizable internal combustion engine was developed by Nikolaus Otto in 1861. Since then, the gasoline-powered engine has evolved immensely. However, the principles that underlie how ...

Piston-engined fighters ruled the roost for thirty years. A brutal survival of the fittest ensured a rapid evolution of these characterful machines; the final fighters were over six times faster and ...

In response to a congressional request, the committee will conduct a study and issues a report on lead emissions from piston-powered general-aviation aircraft. The committee’s report will include ...

High-altitude capability and 213-knot cruise speed create mission-ready machine.

OSHKOSH—Piper Aircraft has partnered with jet-fueled, diesel piston-engine maker DeltaHawk to give future buyers of PA-44 Seminoles a way to bypass the looming U.S. transition away from leaded avgas.

Rocky Mountain Metropolitan Airport is rolling out unleaded fuel as part of a plan to phase out leaded aviation gas by 2030, ...