Volkswagen's diesel emissions rigging scandal in the United States could reverse the fortunes of refineries with high gasoline output such as Valero's 220,000 barrel per day (bpd) Pembroke refinery in Wales, which has a 49.4 percent gasoline yield, and Exxon Mobil (Swiss: XOM.SW - news ) 's 273,000 bpd Fawley refinery in southern England, with 41.6 percent gasoline yield, according to consultancy Wood Mackenzie.
Take context from the input text and decide on the accurate relationship between 'Exxon' and 'diesel' from the options provided.
Options: owned by, product/material produced, parent organization, position held