1) Automotive fuel retailer 2) Bp competitor 3) Competitor of BP 4) Esso, today 5) Half a 1999 gas merger 6) Half a 1999 merger 7) Half of a giant 1999 merger 8) Infamous spiller 9) It merged with mobil 10) It merged with Mobil in 1999 11) Mobil merger partner 12) Name before Valdez or Mobil 13) Shell alternative