A Technical Look at Pinnacle Engine’s Technology

A closer look at how the Pinnacle Engines four-stroke opposed piston engine works

Pinnacle’s engine delivers 30-50% improved engine economy, read more about our test results and how we’re making this happen

A key component of Pinnacle’s technology is the Variable Compression Ratio; take a look at the data

Pinnacle’s engine technology has passed a 400-hour torque/full power durability test. Take a look at our results and how our technology withstood the testing

A technical view of Pinnacle’ s low temperature combustion & emissions and the supporting data

Drive Cycle Fuel Economy and Engine-Out Emissions Evaluation Using an Opposed-Piston Sleeve-Valve Engine with Lean Operation and Ignition Delay for NOx Control

By: Michael Willcox and James M. Cleeves

Indicated Cycle Efficiency Improvements of a 4-Stroke, High Compression Ratio, S.I., Opposed-Piston, Sleeve-Valve Engine Using Highly Delayed Spark Timing for Knock Mitigation

By: Michael Willcox, James M. Cleeves, Simon Jackson, Michael Hawkes and Joshua Raimond

Green-Tech Interview

Katie Fehrenbacher, Green-Tech Journalist takes a closer look at Pinnacle’s Engine Efficiency