Highlights in this issue include a conversation with Roberto Dalla - Magneti Marelli's head of motorsport. A dossier on Wagler DX500 UCC Diesel, challenges of WEC LM P1 achieving powertrain reliability and efficiency, a report on Autosport Engineering 2017, an insight into Gyrtech MK16-3EC truck diesel and focuses on piston rings and the latest trends in design and development.