2013 BMW 5-Series Plug-in Hybrid concept

The prototype of this greener version of BMW's midsize sedan is based on the China-only long-wheelbase 5 Series platform.The car is part of a joint venture between BMW and Chinese automaker Brilliance. The car is the tip of an eco-friendly iceberg BMW has aimed squarely at China, a country with an increasing appetite for premium-segment cars and a serious need for green-focused, energy-efficient