BEIJING — Chinese electric car company Nio revealed Saturday a new sedan and custom augmented reality (AR) glasses that reduce the need for in-car screens. Augmented reality is a technology for imposing digital images over the real, physical world. For cars, the tech can let drivers keep their eyes on the road without having to glance down at a dashboard. Nio said it partnered with Chinese augmented reality start-up Nreal for the AR glasses that go with its new sedan, the ET5. The electric car is set to begin deliveries in September 2022, with pre-subsidy prices starting at 328,000 yuan…