Fuel Economy with Diesel Trucks and Cars

Diesel-powered vehicles typically get 30-35% more miles per gallon than comparable vehicles by gasoline.

Diesel engines are inherently more energy efficient, and diesel fuel contains 10% more energy per gallon than gasoline. In addition, new advances in diesel engine technology have improved performance, reduced engine noise and fuel odor, and decreased emissions of harmful pollutants. New ultra-low sulfur diesel fuels now available also reduce emissions from these vehicles.

This content originally appeared in a different form at fueleconomy.gov.


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