7月9日CNN聽力：新式輪胎或能進步電動汽車裏程
Time for the Shoutout.
Which of these is not true about electric vehicles ascompared with gasoline powered vehicles.
You know what to do.
Is it lower fuel costs, greater range, lower emissionsor higher sticker price.
You've got three seconds.Go.
All of these statements are generally true about electric vehicles except option B.
Their range is shorter than that of gas-powered cars.
That's your answer and that's your Shoutout.
There's actually a term for when people fear running out of power in an electric car.
It's called range anxiety.
Most electric cars can travel between 70 and 100 miles before needing to be charged.
There are some models that get considerably more mileage,but they cost considerably moremoney.
Charging electric cars is cheaper than filling up a gas tank, but because it takes a lot longer,some scientists are seeking solutions.
Typically, an all-electric car can travel about 90 miles before needing a recharge.
But a newly unveiled tire concept from Goodyear aims to generate extra energy from wherethe rubber meets the road.
Tires That Could Charge Your Car
You might call them energy tires.
Goodyear isn't offering a lot of details about how it works, but here's the idea.
Sunlight and pavement friction would generate heat inside the tire, which would be convertedinto electricity, which would help charge an election cycle's battery.
It's still just a concept, but if it's successful and carmakers show interest, the idea could helpwin over drivers who reject electric vehicles because of so-called range anxiety.
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