Up close and personal with the GE Tier 4 demonstrator as it sits in the service area at CSX Selkirk Yard.

UP is testing the newest GE's in coal service in Wyoming's Powder River Basin as GECX 2023 leads a southbound load near Bill, WY.

GECX 2023 a Tier 4 Gevo does high adhesion test and high speed test on the test track with GECX 2011 and 2010