What is the Green Locomotive?

[davesnow]

Can anyone tell me what the green locomotive is in this picture?

Rail News - Major on-dock rail project begins at Long Beach port. For Railroad Career Professionals

www.progressiverailroading.com

 

[norfolksouthern37]

SD40JR

 

[pdkoester]

Funny, it has JR at the end, and someone from JR explained it. I know, not related.

 

[davesnow]

Found it:

https://www.trains.com/trn/news-reviews/news-wire/pacific-harbor-line-displays-battery-locomotive-at-ceremony-for-engineers/