Your engine is supposed to vibrate, just a little. But when the shaking gets harder to ignore, there’s probably something ...

There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...

The Army’s Improved Turbine Engine Program (ITEP) provides Army Aviation the power to operate in Multi-Domain Operations (MDO) with longer range and endurance, providing ground forces the opportunity ...

Publicity photo of a first-generation Union Pacific GTEL locomotive and a circa-1923 electric auto in Fremont, Neb. The auto was owned by a local woman and the locomotive was on its way west to haul ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...