Some Alberta oil producers forced to ship crude to the US by truck Liquid inside tankers moves (sloshing), and it can make the truck unstable within seconds., One sudden brake or sharp turn is enough to cause a rollover., Many drivers follow tankers too closely Leaky gas wells not fracking itself are polluting water in Pennsylvania and Texas Vox How Is Oil Transported in Utah Tim Savage Trucking we call these centipedes, used to haul crude oil in utah. : r Truckers