Cars in America
Official Audio Prompt
There are some 250 million cars in America, 250 million cars in the country with just over 300 million people. And most of those vehicles, of course, are gas-powered. This poses a huge [blank] given the limited supplies of oil and the growing urgency of the global warming crisis. But there is good news, according to our guests today. And that is we have the know-how and the [blank] to build sleek, fast [blank] that don't use gasoline. These vehicles of tomorrow are powered by hydrogen, electricity, bio-fuels, and digital technology. And they already exist. So what's [blank] us from putting them on the roads? Our guests today will help answer that.
Sample Answer & Audio Transcript
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