Straight Vegetable Oil as a Diesel Fuel?, report, April 1, 2006; (https://digital.library.unt.edu/ark:/67531/metadc891522/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
Straight Vegetable Oil as a Diesel Fuel?, report, April 1, 2006; (https://digital.library.unt.edu/ark:/67531/metadc891522/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .