Walkers (snack foods) establishing their own sunflower farms in Ukraine and Spain to be able to produce sufficient quantities of the oil. Walkers updated their packaging style in June 2007, moving to a brand identity reminiscent of the logo used from 1998–2006. Many of Walkers brands were formerly branded under the Smiths Crisps name. This comes from the time when Walkers, Smiths and Tudor Crisps were the three main brands of Nabisco's UK snack division, with Tudor being marketed mainly in the north of England and Walkers in the south. After the takeover by PepsiCo, the Tudor name was dropped, and the Smiths
PepsiCo efficient means of producing and distributing its products using less energy, while also placing a focus on emissions reduction. In a comparison of 2009 energy usage with recorded usage in 2006, the company's per-unit use of energy was reduced by 16 percent in its beverage plants and 7 percent in snack plants. In 2009, Tropicana (owned by PepsiCo) was the first brand in the U.S. to determine the carbon footprint of its orange juice product, as certified by the Carbon Trust, an outside auditor of carbon emissions. Also in 2009, PepsiCo began the test deployment of so-called "green vending machines",