Fuel demand by mode
Sales, stocks and characteristics of vehicle types by size class
Vehicle-miles traveled
Fuel efficiencies by technology type
Alternative-fuel vehicle sales by technology type
Light-duty commercial fleet vehicle characteristics

Energy product prices
Gross domestic product
Disposable personal income
Industrial output
Vehicle sales
International trade
Natural gas pipeline consumption

Current and projected demographics
Existing vehicle stocks by vintage and fuel efficiency
Vehicle survival rates
New vehicle technology characteristics
Fuel availability
Commercial availability
Vehicle safety and emissions regulations
Vehicle miles-per-gallon degradation rates