Lexus revealed the 2010 HS 250h, the world’s first dedicated luxury hybrid vehicle, at the North American International Auto Show. The HS 250h will be Lexus’ fourth hybrid and the most fuel-efficient vehicle in its lineup. It also will be the first Lexus to utilize carbon-neutral Ecological Plastic materials in a new futuristic cockpit and interior design.

A welcomed addition to Lexus’ entry-luxury sedan lineup, the HS 250h fits nicely between …