Some photoshop stupidity from the OP:

That's a big-ass truck (called Belaz if you're wondering).
There is another one:

Can you spot the difference? It's either a rare right-hand-drive model with weird symbols painted on it, or - more likely - they mirror-flipped the image. Now why would they do that?
It's a common technique used by lazy-ass scammers to attempt to obfuscate the origin of a stolen image. If you google the flipped image you're unlikely to get a hit, but the unflipped image yields this:
https://www.xtragate.com/wp-content/uploads/2017/05/gold-mining-finance-xtragate-1.jpgAm I saying that the coal-coiners are lazy-ass scammers? Not sure. Maybe they're honest-to-God coal-mining blockchain-loving Russians who for some inexplicable reason couldn't post actual photos of their coal mine and instead decided to borrow AND obfuscate some random pictures from the intertubes.
The closest hit on their contact address is this:

Prospekt Stroiteley, 88, Novokuznetsk, Kemerovskaya oblast', Russia
Looks like someone is running a coal mine from their apartment.
BTW there was another Coal Coin a few years ago:
https://coalcoin.tech/en/