We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...

This video provides an in-depth analysis of the liquid piston engine and compares it to traditional piston engines and Wankel ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

Will Mazda create the holy grail of rotary engines? It was reported by Jalopnik that the VP of R&D for Mazda said there was a ...