Last evening approx 1810 hrs the Branchburg Rescuers and Readington Volunteer Fire Company were dispatched for a MVA reported on vehicle smoking. Passing by Manville Rescue chief stopped to assist and updated responders. Update reported 1 injury entrapped in vehicle. After detailed evaluation of patient requested ALS and medivac on stand by, which later was ordered to fly with landing zone at Whiton School. Rescue and fire arrived, working together extricating the patient by removing "B" pillar and driver side doors to access the patient. Patient was extricated and loaded for transport to landing zone where NorthStar awaited patients arrival. All units cleared as available.