Refueling fuel, gas station – illustrative photo.
Prague – The Czech Trade Inspection (ČOI) assessed approximately 0.7 percent of the samples taken as unsatisfactory during last year's fuel quality controls. Last year, the result of the inspections was the same. Last year, the inspection prohibited the sale of fuel worth more than two million crowns in seven cases. It follows from the inspection data.
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For the whole of last year, the inspection took 2,545 samples of gasoline, diesel, liquefied petroleum gas (LPG) and compressed natural gas (CNG) from gas stations throughout the Czech Republic. 18 samples did not meet the established quality requirements, which was a share of 0.7 percent. The year before last, 19 samples did not comply.
ČOI imposed a sales ban in seven cases. It was a total of 48,352 liters of fuel worth more than 2.04 million crowns. In most cases, it was diesel. The inspection found most of these cases in August and September.
The inspection found the largest number of satisfactory cases for diesel fuel. Out of a total of 1204 samples taken, 12 samples did not meet the standards. For gasoline, ČOI evaluated five samples out of 1000 as non-compliant. Liquefied LPG gas inspections showed one non-compliant sample out of 301 inspections. For compressed CNG gas, the inspection found no faults in 40 samples. The inspection also examined the proportion of bio-components in diesel and petrol. It did not detect any exceeding of the permissible upper limit of ethanol or methyl esters of fatty acids.
The inspection continues its inspections this year as well. During January, it checked 238 fuel samples and one diesel sample did not meet the requirements. This is the same result as in December last year.
The Czech Trade Inspection has been monitoring the quality of fuel since the first half of 2001. In the first years of inspections, the inspection showed more than a tenth of the inspected samples as unsatisfactory. The share of low-quality fuels is gradually decreasing. In the last four years, it has remained below one percent.
Development of fuel quality controls in the Czech Republic:
| Year | share of non-compliant samples (in percent) |
| 2001 – 2nd semester | 13.5 |
| 2002 | 9.0 |
| 2003 | 12.4 |
| 2004 | 8.6 |
| 2005 | 6.1 |
| 2006 | 4.8 |
| 2007 | 4.6 |
| 2008 | 5.6 |
| 2009 | 5.0 |
| 2010 | 7.9 |
| 2011 | 4.4 |
| 2012 | 3.1 |
| 2013 | 2.9 |
| 2014 | 3.0 |
| 2015 | 1.2 |
| 2016 | 1.1 |
| 2017 | 1.0 |
| 2018 | 1.1 |
| 2019 | 0.7 |
| 2020 | 0.5 |
| 2021 | 0.7 |
| 2022 | 0.7 |
