Piston rings look like simple pieces of metal. But they're the lifeblood of the ICE process, honed through decades of research. Piston rings are the reason internal combustion engines can exist.

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 ...