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May 22, 2014

WSU prof makes asphalt from old cooking oil

  • Using discarded restaurant grease can reduce the cost of asphalt binder from nearly $600 to under $200 per ton.
    Journal Staff Reporter

    Photo courtesy of Washington State University [enlarge]
    WSU professor Haifang Wen shows a core of bioasphalt he developed using cooking oil. It will get a field test this summer.

    A researcher at Washington State University may play a role in making our streets a bit greener.

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