Requires the Director of Business, Economic Development, and Tourism to implement a requirement that, no later than January 1, 2028, diesel fuel sold in certain counties for use in on-highway diesel-powered motor vehicles contains no less than five per cent biodiesel by volume, except in circumstances where the supply of biodiesel is insufficient. Requires the Department of Business, Economic Development, and Tourism to submit a report to the Legislature, including a comprehensive rollout plan. Requires the Director of Business, Economic Development, and Tourism to consult with the Department of Transportation during the development and implementation of the biodiesel requirements and present DBEDT's comprehensive rollout plan to the public. Effective 7/1/3050. (SD1)