var addthis_pub="mastersairab";Cadillac Converj Concept: Electric-Hybrid Coupe Breaks Cover at Detroit ShowCombining a sexy fastback-coupe design with GM's Voltec electric propulsion system that is similar to the one found in the Chevy Volt, the Cadillac Converj concept made its debut today in Detroit. The four-passenger Converj concept is equipped with 16-kWh, T-shaped battery pack with more