Override the diesel feed. B10 Department of Energy Business announces the supply of diesel fuel B10 (B10) replacing B7 (B7) and B20 (B20), effective May 1, 2067. There are two types of diesel: Plain fast rotation diesel (B7): Diesel with a yellow color, mixed with 7 percent biodiesel. It serves as the country’s base diesel oil and is suitable for use in cars. Currently, all brands are available. B20 speed reel (B20): Diesel with 20% biodiesel content, indicated by a red oil color, is an alternative option for large trucks, effective from May 1, 2067 onwards. Data source: Department of Energy Business, Ministry of Energy.