The research service provides an analysis of the North American locomotive market and focuses on powertrain technologies to be used to cope with stringent emission norms stipulated by EPA. The study covers all segments of the pushpull locomotive market, namely line haul freight, switchers, passenger diesel and passenger electric, and identifies the opportunities for new locomotives in each of these segments. It further provides an indepth analysis of various powertrain technologies and idle reduction technologies that shall be adopted by locomotive OEMs to comply with EPA emission norms. The study also throws light on the various hybrid and alternative fuel locomotives being developed and their impact on the overall locomotive market.