cruised into North America for the first time in the early aughts, drivers were shocked. At a time when the average sedan got just 23 miles per gallon , the Prius got 48. Thanks to regenerative braking and the little electric motor, its city mileage was better than its highway mileage.out of the water. The average electric car in the United States today gets the equivalent of 106 miles per gallon.
into the atmosphere and peoples’ lungs. Now, the average car, truck or SUV gets around 25 miles per gallon — although the popularity of larger SUVs hasEVs change the calculus. Electric cars start with a huge advantage: They don’t create waste heat. In a gas car, onlyof the fuel energy actually goes into the wheels — the rest is lost mostly in the form of heat and friction.
In the new report, researchers found that a combination of increasing battery density, reducing tire rolling resistance, and cutting the weight of vehicles through high-strength steel or carbon fiber could double efficiency by 2050. As a guide, the study authors looked at theThe study modeled those improvements for passenger cars, SUVs and pickup trucks. The result, they projected, could be vehicles that got the equivalent of 277 miles per gallon by 2050, or over 8 miles per kilowatt-hour.
The question is whether automakers are planning to move toward that greater efficiency. Although the EPA requires EVs to have the same fuel economy stickers as gas-powered cars, experts say neither consumers nor automakers are looking closely at the efficiency of electric carsFrank Menchaca, president of SAE Sustainable Mobility Solutions, says that the shift to more efficient cars
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