"Petrol" is a song by Ash, released as the second single from their 1994 album Trailer, and their first single on Infectious. It was released on 15 August 1994 on CD and a limited 7" format. Only 500 copies of the 7" format were released, and came with a numbered picture sleeve. The song reached number 3 in the UK Indie Chart in 1994, and No.98 on the UK singles chart, their first single to reach the UK Top 100. The song was released in the U.S. as a 7" single in 1994 on the Generator Records label, with a remixed version of "Petrol" by Ben Groose.