Pinnacle Engines, developer of a four-stroke, spark-ignited (SI), opposed-piston Cleeves cycle engine, is initially targeting low-horsepower applications like rickshaws in emerging markets for its "breakthrough ultra-efficient engine." The startup company has reportedly signed a licensing and joint-development agreement with an unnamed Asian vehicle manufacturer. Pinnacle says that its engine will power vehicles that are scheduled to hit the streets in the first quarter of 2013.
Opposed Piston Engine
Pinnacle Engines unveiled what it calls a "breakthrough ultra-efficient engine" designed to significantly reduce fuel consumption and greenhouse gas emissions without increasing a vehicle's cost. Here's the tech behind Pinnacle's "breakthrough" engine: