One of the hottest segments of the U.S. auto market is with pickup trucks and SUVs. And while they're perceived to be gas guzzlers, these vehicles are getting significantly more fuel efficient. In fact, Fiat-Chrysler is in the process of converting most of its pickups and Jeeps into hybrids. On Autoline This Week, Brian Spohn from FCA powertrain explains how the company is doing these conversions.