The document discusses the environmental benefits of carpooling, with 57% of UK commuters driving alone and cars sitting idle 96% of the time. A study found that connecting carpoolers through an app reduced over 312 million miles driven, saving 6.2 million gallons of fuel and cutting over 55,000 metric tons of carbon emissions. The document also notes that ride-sharing services are impacting car ownership among millennials and are projected to make up a growing share of miles driven globally by 2030.