Steyr Motors, established in 2001 in Steyr, Austria, specializes in high-performance diesel engines for marine and heavy-duty vehicle applications. citeturn0search0 Their engines are renowned for exceptional power density and durability, making them ideal for rigorous marine conditions. Notably, Steyr Motors introduced the world’s first parallel hybrid propulsion system for boats, the STEYR HDS, in 2008, reflecting their commitment to innovation in marine technology.