there’s about 8.3 billion people in the world right now, so driving a car is something about 16% of the world does. Though that assumes most people have one car per person, and suspect that may not be true. The wealthier people have several cars per person, which lowers what fraction of the world drives. Though I couldn’t find any statistics on how many people regularly drive in the world.
There are 1.4 billion passenger vehicles in the world. So I don’t think driving is necessarily the 10% cut off.
there’s about 8.3 billion people in the world right now, so driving a car is something about 16% of the world does. Though that assumes most people have one car per person, and suspect that may not be true. The wealthier people have several cars per person, which lowers what fraction of the world drives. Though I couldn’t find any statistics on how many people regularly drive in the world.
For what it’s worth for the “average american household” transportation is usually their largest source of emissions. https://coolclimate.berkeley.edu/calculator