Photo: Land Rover
As the average price of a gallon of regular gas varies between $3.50 and $4 nationwide, fuel efficiency remains prized among the new cars most people buy.But some drivers are too rich to care about gas costs, or need or choose to drive cars or trucks that are big and heavy.
As a result, the least fuel-efficient cars fall into two categories—ultra high-end luxury cars and large vans and SUVs.
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