The ACO has detailed the 2020 LMP1 regulations, today at Le Mans, which focuses on the introduction of plug-in hybrid technology, safety enhancements and cost reduction. The regulations have been created with stability in mind, and last for at least four years.Plug-in hybrid tech being added to the LMP1 cars...

NASCAR released the 2017 Sprint Cup rules package on Friday, highlighted by measures to reduce downforce and improve safety."The objective there is to give the drivers, put the driving back in their hands a bit more ... take less aero dependence off the car," Gene Stefanyshyn, NASCAR senior vice president...

Tethering aerodynamic components of the Dallara DW12 chassis is among safety enhancements announced by IndyCar that will be implemented for the 2016 Verizon IndyCar Series season; a change that comes in the wake of Justin Wilson being fatally injured by a piece of flying bodywork at Pocono in August.The high-tensile...