The engine is the heart of the car, truck, or SUV. The vehicle’s full function is dependent upon the engine, and if it isn’t running, or running well, it has a massive effect. Inside of almost every ...

Another form of engine failure is a broken valve punching a hole through the top of a piston. In this case, the pressurized oil will escape through the top of that piston out through an exhaust valve.

Navistar said it plans to use the engine’s opposed-piston layout as the basis for “revolutionizing the entire truck architecture,” Eric Tech, president of the company’s Engine Group, told ...

Patented airflow system decreases pollutants from large piston engines. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2014 / 02 / 140213112622.htm.

Sandia National Laboratory led by Sandia researcher Peter Van Blarigan that has been testing physical components of free-piston engines which could be 50% efficient. This is about twice as good as ...