General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...

Sanderson Engine Development of Upton has been named “Emerging Company of the Year” by consulting firm Frost & Sullivan. The award recognizes the company’s “Sanderson rocker-arm mechanism, which does ...

The debate over the optimum rocker arm ratio to use has dragged on probably since the invention of the pushrod V-8. Even though Chevrolet made the decision easy for us when it engineered the original ...