var o = [{ "Vehicle": "BMW", "Date": "30, Jul 2013 09:24 AM", "Location": "Hauz Khas, Enclave, New Delhi, Delhi, India", "Speed": 42 },
{ "Vehicle": "Honda CBR", "Date": "30, Jul 2013 12:00 AM", "Location": "Military Road, West Bengal 734013, India", "Speed": 0 },
{ "Vehicle": "Honda Accord", "Date": "30, Jul 2013 11:05 AM", "Location": "DLF Phase IV, Super Mart 1, Gurgaon, Haryana, India", "Speed": 71 }]
$.each(o, function (key, val) {
var Vehicle = "";
var Date = "";
var Location = "";
var Speed = "";
Vehicle = o[key].Vehicle;
Date = o[key].Date;
Location = o[key].Location;
Speed = o[key].Speed;
});