OH Gov. DeWine Signs Order to Temporarily Allow Dyed Diesel on Public Roads10/23/2026Using dyed diesel on Ohio’s public roads will be temporarily allowed after Governor Mike DeWine signed an executive order this week. The order says diesel is a major operating expense for Ohio’s economy and supply chain, and that vehicles need to reliably transport goods while diesel prices are high. The order allows dyed diesel on Ohio’s roads until December 31st. Click here to read the executive order.