Despite the average steering wheel being four times dirtier than a public toilet seat, vehicle hygiene has been historically neglected, according to the pair of companies.    Shell Lubricants US and Turtle Wax, Inc. are out to change that, and have launched Move Clean, billed as an innovative “total vehicle hygiene company” focused exclusively on the auto industry.  The concept is focused on addressing the rising customer concerns around the cleanliness and safety of their vehicles they own, b...