2013 horse meat scandal but ABP said that it "welcomed their decision to continue sourcing fresh beef from other ABP companies". On 15 February 2013 Tesco said, "We will no longer work with the suppliers who fell below our very high standards." The first apparent instance of fresh beef being adulterated with horse meat was reported by Asda, which removed its 500-gram own-label beef Bolognese sauce from sale. The sauce was supplied by Greencore, which said in a statement that the meat in the sauce had been supplied by ABP Food Group's Nenagh plant in County Tipperary, Ireland. On 4 March 2013 Greencore announced
Tesco biofuels, offering petrol-bioethanol and diesel-biodiesel blends instead of pure petrol and diesel at their petrol stations, and now offering Greenergy 100% biodiesel at many shops in the southeast of the United Kingdom. In 1998, Tesco and Esso (part of Exxonmobil) formed a business alliance that included several petrol filling stations on lease from Esso, with Tesco operating the attached shops under their Express format. In turn, Esso operates the forecourts and sells their fuel via the Tesco shop. As of 2013, there were 200 joint Tesco Express/Esso sites in the UK. In 2018, Tesco launched a separate budget chain, Jack's,