Mobil Hospital MobilMart is a Mobil site on the corner of Ruahine Street and Featherston Street in Kelvin Grove, Palmerston North. Mobil is the fuel brand of ExxonMobil, and this site is a car wash location in the city's north-western suburbs. It sits close to Palmerston North Hospital, which gives it a handy spot for drivers heading to or from the hospital.