Evolution Series mutsara wezvitima zvedhiziri zvakavakwa neGE Transportation Systems (yava kunzi Wabtec), yakatanga yakagadzirirwa kusangana neU.S. EPA's Tier 2 locomotive emissions standards yakatanga kushanda muna 2005. Series. Ekutanga pre-kugadzirwa mayuniti akavakwa muna 2003. Evolution Series locomotives akashongedzerwa pamwe AC kana DC traction motors, zvichienderana nezvinodiwa mutengi. Ose anofambiswa neiyo GE GEVO injini. [4]

Evolution Series yakatumidzwa seimwe ye "10 Locomotives Yakachinja Railroading" neTrains Magazine uye ndiyo yega locomotive series yakaunzwa mushure me1972 kuti ibatanidzwe mune iro rondedzero.[5]

Iwo Evolution Series locomotives ndemamwe eanotengeswa zvakanyanya uye akabudirira kwazvo ekutakura zvinhu munhoroondo yeUnited States.

Aya ma locomotives ane Nathan Airchime K5HL nyanga, ine yakadzoserwa 2 kumisikidzwa, kugadzira K5HLR2. Nyanga dzakaiswa kumashure bhero 2 rakatarisa kumberi uye 4 mabhero akatarisa kumashure. Ese ma locomotives anoshandisa nyanga idzi, kunze kweET23DCM nema locomotives epasi rose.