At 3:55pm RVFD was alerted for a vehicle fire at 14246 Clarks Lane for a vehicle fire.  Eng.401 (6 W/Lt. Gott) went responding and was advised by Caroline that the vehicle was believed to be an All-Terrain-Vehicle, fully involved.  While enroute heavy smoke was showing from the area, in which a tanker was requested.  Sta.600 (Greensboro) was dispatched for Tanker-606, but was soon canceled when Tanker-406 went responding with two.  Eng.401 arrived to find an ATV fully involved with extension to a large brush pile.  Crew of Eng.401 quick;y extinguished both the ATV and brush pile in minimal time.  Tanker-406 arrived and supplied Eng.401.  Crews operated on the scene for about an hour.