New York City's Department of Transportation has been experimenting with "warm-mix asphalt", which emits fewer emissions because it only has to be heated to 200 degrees.
Warm mix asphalt has been seen to decrease emissions, fumes, and odors and would reduce the amount of energy needed for asphalt production. It would also mean that more material could be recycled into the asphalt, "possibly up to 60%."
According to the NYC DOT's website, using warm-mix asphalt "would also extend the paving season into the colder winter months. For DOT, a longer paving seasons means better roads, quicker response time for pothole repair, expanded job opportunities and a general improvement in overall street maintenance."
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