How Cars "Waste" Two Thirds of Their Fuel

13 Mar 2023 | Abstracted from The Conversation

"At most 50% of the power supplied is converted into mechanical energy, but the remainder is dissipated as heat. Moreover, not all the mechanical energy is delivered to the wheels, with almost 30% being lost due to friction...In the end, the actual energy used to move the vehicle amounts to approximately 30% of the total energy supplied by fuel.

"...we should not forget that cars are made to transport several passengers. When fuel consumption is divided by several passengers, carpooling can cut consumption by two, three, four times over and beyond."

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