All told this came to an equivalent fuel economy of 59.5 mpg in combined city and highway driving.
What amounts to the same thing: The advertised price on the pump would not be per gallon of fuel but per gallon of pure gasoline equivalent.
But, the board says, the 20 million gallons of diesel fuel saved from these alternative fuels was the equivalent of eliminating the emissions from 700, 000 cars.
Most of this burden was carried as an implicit subsidy to domestic energy consumers, with the price of diesel fuel, for example, set at the equivalent of two American cents a litre, and petrol selling for less than bottled water.
The Ford Focus Electric has received a 110 MPG equivalent fuel efficiency rating in the city and a combined fuel efficiency of 105 MPGe, 6 MPGe more than the all-electric Nissan Leaf.
These, plus a collection of smaller (and iffier) drilling prospects, are attached to fossil fuel reservoirs that may harbor the equivalent of 60 billion barrels of oil equivalent.
High efficiency engines help conserve fossil fuels and reduce emissions by consuming less fuel while generating an equivalent amount of power.
Thirteen teams are competing to build a plane that can fly at least 100 miles per hour and achieve the equivalent energy efficiency of 200 miles per gallon of fuel on a 200-mile flight.
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The Obama administration scored a major win for fuel-efficient cars this week by finalizing new standards that will increase the fuel economy of cars to the equivalent of 54.5 mpg by 2025.
The car, driven by a 12-year-old student, travelled the equivalent of 2, 051 miles on a single gallon of fuel.
Iran's stock of low-enriched uranium is bigger: only about half of it would be needed to produce the equivalent fuel load for the medical reactor.
In 1996 the United States used the equivalent of 4.6m barrels a day of non-fossil fuel.
When advertising a new car's efficiency, for example, it is more convincing to talk about the number of extra miles per gallon it does, rather than the equivalent percentage fall in fuel consumption.
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The fuel pellets typically contain around 10 milligrams of fuel, and if all of that were consumed it would release the energy equivalent to that from burning a barrel of oil.
Although we often talk about a 54.5 mpg-equivalent average for the industry, individual fuel economy and emissions requirements actually vary based on the size of a vehicle.
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The index, based on diesel fuel purchases by thousands of truckers around the country, fell roughly 1% in September, equivalent to a 10% annual contraction.
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