All our latest engines are using common rail technology. Are you curious about the advantages of common rail engines over mechanical marine engines? Mechanical engines are often considered simpler, may have fewer components, and have a lower initial cost, but common rail technology does come with a lot of advantages that might make your choice easy. 1. Fuel Efficiency: Precision meets power! Common rail systems optimize fuel injection, giving you better mileage and cost savings. 2. Low Emissions