Conversation

The European car is parked 92% of the time. When the car is used, only 1.5 of its 5 seats
are occupied. Less than 20% of the total petroleum energy is translated into kinetic energy, and only 1/13 of that energy is used to transport people. As much as 50% of inner-city land is devoted to mobility (roads and parking spaces). But, even at rush hour, cars cover only 10 percent of the average European road.

https://www.ellenmacarthurfoundation.org/assets/downloads/publications/EllenMacArthurFoundation_Growth-Within_July15.pdf