PepsiCo and Water.org, and in 2009 began cleaning new Gatorade bottles with purified air instead of rinsing with water, among other water conservation practices. In the United Kingdom, also in response to regional drought conditions, PepsiCo snacks brand Walkers' reduced water usage at its largest potato chip facility by 45 percent between the years 2001 and 2008. In doing so, the factory used machinery that captured water naturally contained in potatoes, and used it to offset the need for outside water. As a result of water reduction practices and efficiency improvements, PepsiCo in 2009 saved more than 12 billion liters of
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",