The Atkinson cycle engine faded from view for a time, but variations of the Atkinson cycle have reappeared in modern hybrids.
Learn the ins and outs of diesel ignition system basics.
This circa 1920 25 HP Evans engine features power operated intake and exhaust valves.
For the past seven years, Petey Woodward has pursued his lifelong interest in old gas engines.
An engine is never too far gone.
Ronnie Spivey is looking for advice concerning his 2 HP Jaeger engine.
The rescue of Otto No. 6033, a 9-1/2 HP engine hidden away in a Philadelphia basement.
Iowa collector focuses on engines that worked around patent restrictions.