"name","fuel_efficiency","fuel_efficiency_units","created_at","updated_at"
"Acura","NULL","kilometres_per_litre","NULL","NULL"
"Honda","13.2832","kilometres_per_litre","NULL","2010-05-27 01:21:08"
"Volkswagen","12.4926","kilometres_per_litre","NULL","2010-05-27 01:21:08"