![]() When a barrel of oil goes into a refinery, the refining process basically separates the oil into different units. ![]() The type we’re most familiar with nowadays is a by-product of oil refining. The simplest way I can describe it is to differentiate at two different types - and they’re both natural, by the way. There’s like 200 different synonyms for Asphalt. There’s bitumen and, and, and then, for the road paving, there’s asphalt, blacktop, tarmac, etc. Jeff Wood: I guess I should ask a basic question: What is Asphalt? What is it exactly because there’s lots of terms for it. ![]() If you want a full, unedited transcript (with some typos!), click here. Ninety-four percent of our roads are asphalt, and they are 100 percent recyclable.įor those of you who get your news through your eyes and not your ears, there’s an edited transcript below the audio player. This week we’re joined by Kenneth O’Reilly to talk about his book “Asphalt: A History.” We chat about what asphalt is, how it was used for building, war, and economic expansion and how it affects the future of the planet. ![]()
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