Hyundai's cool blue plug-in

The Blue-Will plug-in hybrid

Hyundai is showing off its latest hybrid concept as a sneak preview to the Seoul Auto Show in April. The Blue-Will plug-in hybrid, according to AutoWeek, utilizes used recycled soda bottles for the headlights, as well as biodegradable plastics for the engine cover and interior. Likewise, the panoramic solar-celled roof will help charge the battery.