Railroaders place to shoot the shit.

Yeah sure. Well our pals Uncle Pete seems ta think they can pinch a few bucks, and pennies outa their big power, and long unit trains via aerodynamic principles. How so you ask? Watch their vid for details.

Smoke and mirrors ya say... Nah! But they do track the smoke thing as it passes across their leaders, and the cars trailing the horses.

The explanations of all their latest work proves they're serious about 'playing with trains'

https://www.up.com/aboutup/community/inside_track/aerodynamic-covered-hoppers-08-07-2018.htm