For the first time in its history, Mahle is manufacturing steel pistons for passenger car diesel engines in large-scale production. Mahle MONOTHERM® pistons are being fitted in Renault’s new 1.5 L and 1.6 L four-cylinder diesel engines. Mahle received the Renault Supplier Award for “Innovation” for its worldwide development of the first steel piston in … Continue reading Mahle manufactures steel pistons for passenger car diesel engines