Final answer:
Approximately two-thirds of oil consumption is devoted to transportation, and about 31-35% of the world's energy comes from oil, much of it for transportation uses. The United States consumes 21% of the world's oil production per year.
Step-by-step explanation:
Approximately two-thirds of oil consumption is devoted to transportation, providing fuel for cars, trucks, trains, and airplanes.
Estimates indicate that about 31-35% of the world's energy comes from oil, and much of that goes to transportation uses.
The United States, with 4.25% of the world's population, consumes 21% of the world's oil production per year.