Opposed-piston engines
Hybrid Opposite Piston Engine - HOPE & Portable Range Extender / State of the art
A New 10.6L Two-Stroke Diesel Engine Has 3 Cylinders And 6 Pistons - Car Throttle - Achates Power
Opposed pistons turn engines inside out with two pistons per cylinder | The Western Producer
Opposed-Piston Engine Promises Better Efficiency
Here's Why We Don't Have Opposed-Piston Engines—at Least Not Yet
Energies | Free Full-Text | Experimental Investigation of Combustion Characteristics on Opposed Piston Two-Stroke Gasoline Direct Injection Engine
Opposed-piston engine - Wikipedia
Opposed Piston PatOP
Opposed-piston engine - Wikipedia
Opposed Piston Engines - YouTube
Under the skin: Why opposed-piston engines are returning to roads - Achates Power
Schematic of an opposed-piston engine. | Download Scientific Diagram
Opposed Piston Engine
E-REX Is A 1-Stroke, Opposed-Piston Engine That Weighs Just 83 Pounds
Opposed Piston Opposed Cylinder Engine - YouTube
Energies | Free Full-Text | Numerical Investigation of the Effects of Split Injection Strategies on Combustion and Emission in an Opposed-Piston, Opposed-Cylinder (OPOC) Two-Stroke Diesel Engine
Opposed Piston OPRE
Machinery Focus: Re-thinking the engine with opposed-piston 2-stroke - Agriland.ie
Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional - Green Car Congress
Video: Opposing Views — Looking At Six Opposed-Piston Engine Designs
Innovative OPOC Engine: Opposed Piston Opposed Cylinder Engine - Tech Explorist
Rebirth of opposed-piston engines - International Driving Authority
2 stroke thread (with occasional F1 relevance!) - Page 63 - F1technical.net
