For a typical Chinese car of kg 1, lbs , the figures were: As for operational energy, each gallon of gasoline contains MJ, so the production energy in the US translates into gallons of gasoline equivalent. If you assume the vehicle gets 28 mpg and is driven 10, miles a year, the car would consume more energy in operations than production in just 2. If the car is used for 10 years and driven the same amount each year, total consumption would reach gallons of gasoline. In the case of China, production energy translates into gallons of gasoline equivalent. The average mpg is 35, and the typical vehicle miles traveled per year is km, or miles.
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Electric cars still cost about twice as much as gasoline cars. But who cares about cars? Civilization depends on heavy-duty trucks, rail, and ships that are the basis of all supply chains, mining, agriculture, logging, construction industries, and infrastructure. Batteries are simply not as energy dense as oil and never will be. Pound for pound, oil is times more energy dense than a lead-acid battery and about times more than a lithium-ion battery. That makes them too heavy to move a heavy-duty truck or other large vehicle. The periodic table limits any possibility of a major breakthrough, because there are only possible elements, and most of them can be ruled out: