Toyota Prius Plug-In Tops EPA Top 10 Most Fuel-Efficient 2014 Vehicles

The Environmental Protection Agency (EPA) and the Departure of Energy (DOE) have updated their fuel economy guide for 2014, according to which the Toyota Prius Plug-In Hybrid is the top most fuel efficient hybrid vehicle on the market.
Toyota Prius Plug-in 1 photo
Photo: Toyota
How can you measure miles per gallon for a vehicle that also uses electricity to power itself? Well, there is a lot of math and physics behind the judgement, but EPA considers that 33.7 kilowatt-hours of electricity is equivalent to one gallon of gasoline. So if the vehicle uses 33.7 kWh of electricity means that it used the same amount of energy a gallon of gas could have provided. Combining them you get the MPGe, which stands for miles per gallon equivalent.

With a current average fuel economy for passenger cars being at 29.8 mpg, the Toyota Prius Plug-In averages 59 in the city, 56 on the highway and 58 combined, while being able to go on fully electric for 11 miles. Second comes the Ford Fusion Energi with the same combined fuel consumption but with a bigger price.

Of course, we are talking here about plug-in hybrids, not EVs or range extender-fitted vehicles. Otherwise, EPA says that the Chevrolet Spark EV is the most “fuel” efficient vehicle achieving 119 mpge.

Story via Chicago Tribune
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