Last year, CO2 emissions from petrol and diesel engines fell 1.1% to reach a level 8% lower than in 2019, officials said on Tuesday.

Compared with 1990, the reference year for climate targets, such emissions have dropped by 5.5%, the Federal Office for the Environment (FOEN) reported.

The share of biofuels has meanwhile risen, and represented 3.4% of fuels in 2022, compared with 3.3% in 2021.