Features

• Population of California: 35 million. 

• Number of vehicles: estimated 25 million. 

• Diesel trucks and buses: 2 million. 

• 2020 Forecast: 45 million people, 31.5 million vehicles. 

• Gasoline consumed in 2000: 14.2 billion gallons. 

• 2020 Forecast: 19.6 billion gallons. 

• Estimated population increase to 2020: 1.4 percent a year. 

• Estimated increase in miles driven to 2020: 1.8 percent a year. 

Source: California Air Resources Board, California Energy Commission