Piston rings look like simple pieces of metal. But they're the lifeblood of the ICE process, honed through decades of ...

I was unwittingly amazed yesterday when I came across a video about how Clupet piston rings are made (and learned the word ‘Clupet’ at the same time). Unlike a car piston ring which is a single ring ...

General Motors was hit with a massive $102.6-million verdict on Tuesday after a federal jury ruled it allegedly sold engines with faulty piston rings to customers, leading to excessive oil ...