Vyhláška č. 229/2004 Sb., kterou se stanoví požadavky na pohonné hmoty pro provoz vozidel na pozemních komunikacích a způsob sledování a monitorování jejich jakosti
This regulation sets out the requirements for fuels used in vehicles on public roads. It also details how the quality of these fuels will be monitored and tracked. This affects vehicle owners, fuel suppliers, and regulatory bodies responsible for ensuring fuel standards are met and environmental regulations are followed.