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Regulations
The Ministry of Industry and Trade regulates quality requirements for fuels in the Czech Republic.
Quality specifications
This chapter describes the regulatory requirements for diesel quality and the quality of biodiesel blends.
Conventional diesel
This section explains diesel specifications for on-road and off-road vehicles.
On-road diesel
In the Czech Republic, Decree No. 516/2020 in the Collection of Laws (Decree on Fuel Requirements and Implementation of Certain Other Provision of the Fuel Act) sets the standards for fuel composition and quality including the monitoring of these factors, among other requirements. This law came into force on January 1, 2021. This Decree transposes the European Union Directive 98/70/EC on fuel quality (also referred to as the EU Fuel Quality Dir