How would US oil consumption be affected?

If all vehicles in the US that use oil, were replaced with vehicles that don't use oil. Never mind how or what replaces them. What would be the reduction of oil consumption?
 
If all vehicles in the US that use oil, were replaced with vehicles that don't use oil. Never mind how or what replaces them. What would be the reduction of oil consumption?

Something like 65%, 70% of oil is used for transportation right now. Varies depending on the year, of course.
 

Delta Force

Banned
Aircraft consume around 10% of petroleum used in the United States, but it's considered the most difficult transportation category to have use alternative fuels. Coal and nuclear energy can create synthetic fuels, and have also been considered for direct use.
 
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