Siemens AG (ADR) (SI), Caterpillar Inc. (CAT) and Westport Innovations Inc. (USA) (WPRT): Will These Big Engines Stay on Track?
Last week Amtrak revealed a plan to replace 70 of its older locomotives with newer, more efficient models. Utilizing a braking system that converts 100% of the energy it uses back to the electric grid...... (read more)








