TWENTY-FIVE years ago, a German book salesman named Felix Wankel entertained a revolutionary, if not heretical notion: he fell to wondering if the standard gasoline engine, man’s commonest prime mover ...

Automotive history is full of dead ends that eventually get lost to time. Seventy years ago, the free-piston engine was ...

The newly formed organization will host a series of meetings of its members to exchange research results, insights and ideas regarding opposed-piston engines with hydrogen combustion. Several ...

When you consider the crazy monkey motion of reciprocating internal combustion engines it is remarkable they work as well as they do. You have eight pistons and connecting rods doing a “do-si-do” ...

While Tesla, General Motors, Nissan, BMW and other automakers doggedly push to bring battery-powered vehicles into the mainstream, Achates (a-KATE-ezz) Power engineers are betting that an old ...

Tucson Electric Power Co. is turning to an age-old technology to back up new renewable-energy resources. A hint: It’s essentially the same technology you use every time you drive your car. The company ...

WEC Energy Group and EPRI were among the partners to announce the completion of a hydrogen blending pilot project at a reciprocating engine plant in Michigan. During two weeks in October, WEC said ...

Reciprocating engines in sizes from a few kilowatts to several MW are used to generate electricity by utilities, hospitals, manufacturing plants and commercial buildings. For many years these engine ...

It has come to our attention that many of the top drag racing builders are overbalancing their engine assemblies. Basically, this is done to help high-rpm out-of-balance conditions and generate longer ...

The new and improved always prevails over the old and stale, doesn’t it? Surely the ancient contraption called an internal combustion reciprocating piston engine – a design that is approaching its 150 ...