Diesel vs Gas: Which is more fuel efficient

Wondering if a diesel engine is more fuel economical than a gas engine? Well, according to the U.S. Department of Energy, diesel engines are more powerful and 30 to 35% more efficient than similar sized gasoline engines. What makes diesel fuel more efficient that gasoline? It is because diesel has higher energy density, containing more power per liter than gasoline. This higher energy density also equates to carbon and fewer hydrocarbons than gas engines. This means that a diesel engine can get 6 to 8 miles more per gallon than a gasoline engine. All in all, if you are looking for a way to get better fuel efficiency, a diesel engine is an option that should be considered. More info: diesel fuel economy

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