However, the vast majority of drivers haven't seen just how big semi-trucks can be ... as remotely impressive is the world's biggest hydrogen-powered mining truck, which is a true sight to ...

Called the Oshkosh P-15, the enormous fire truck can carry 6,100 gallons of water and fire it through two turrets.

So, why aren’t more of us checking out Monster Jam when those colossal trucks are tearing up ... Life is pumped into every Monster Jam Truck by a methanol-burning big block force-fed air through ...