Aston Martin Valhalla gets updated design as testing starts

Aston Martin on Thursday released the first photos of a prototype for the upcoming Valhalla, and revealed a new design for the plug-in hybrid supercar. The Valhalla is due to enter production in 2024 and will be limited to 999 coupes. Aston Martin hasn’t announced plans for additional body styles, such as a roadster, but it’s certainly possible as…