Read Travel Overlanding Through New Mexico in the Adventure-Ready INEOS Grenadier An epic father-son road trip through every tough condition imaginable Jason Harper By Jason HarperFourteen hundred miles of driving, one southwestern state: a father and son overlanding trip in an indomitable INEOS Grenadier. I planned an eight-day overland road trip around New Mexico with my 12-year-old son, Max, during his spring break. By Jason HarperThere was one vehicle I had in mind for the trip: the Grenadier. The INEOS Automotive brand is new, the brainchild of Jim Ratcliffe, a Brit who is the CEO and chairman of INEOS, a chemical group. By Jason HarperSuch is the nature of “overlanding,” the term for a road trip mixed with car camping, usually in off-the-beaten track routes.