The opposed-piston opposed-cylinder (OPOC) engine developed by EcoMotors International addresses the need for reduced fossil fuel consumption and emissions in transportation. The OPOC engine is 30% lighter, one-quarter the size of a conventional turbo-diesel engine, and achieves 50% better fuel economy while providing increased power density, efficiency, and lower manufacturing complexity and cost. This breakthrough demonstrates the continued viability of internal combustion engines.

1. OPPOSED-PISTON OPPOSED-CYLINDER
(OPOC) ENGINE
30-percent lighter, one-quarter the size, and
achieves 50-percent better fuel economy compared with
a state-of-the-art, conventional turbo-diesel engine

2. EcoMotors International’s opoc® engine addresses the global
need for a significant reduction of fossil fuel consumption (and
the attendant environmental impact regarding emissions) in
the transportation and propulsion industry.
The opoc® engine addresses this problem by delivering:
OPPOSED-PISTON OPPOSED-CYLINDER
(OPOC) ENGINE
• Increased power density (more
power output from a smaller size and
lighter weight),
• Increased operational efficiency,
• Reduced mass and engine
complexity, and
• Lower manufacturing complexity and
cost.

3. For a given power level, the opoc™ engine is 30-percent
lighter, one-quarter the size, and achieves 50-percent better
fuel economy compared with a state-of-the-art, conventional
turbo-diesel engine. Because of this breakthrough, we are
enthusiastic about the internal combustion engine’s future. It’s
a breakthrough based on the strength of extraordinary power
density.