EU’s new-car registrations in 2019 increased by 1.2%, reaching more than 15.3 million units in total and marking the sixth consecutive year of growth, an industry group said on Thursday.

The year started on weak footing due to the lasting impact of the introduction of Worldwide Harmonised Light Vehicle Test Procedure (WLTP) in September 2018, according to the European Automobile Manufacturers’ Association (ACEA).

Under conditions defined by EU law, the WLTP is used to measure fuel consumption and carbon emissions from passenger cars, as well as their pollutant emissions.

“Yet, the final quarter of 2019, and December in particular,

Read more: EU car market boosts by 1.2% in 2019