What does the L in a green circle mean on the front of trucks usually foreign ones ?
Leprechauns in transit ■■
Lesbian driver? Or Lithuanian driver? 
Laughing - as I take all your work
Do a search it’s been asked before 
Lol some good ones there
look here
Larmschutz or low noise
That and the S are IIRC Austrian. One meant low emissions t’other low noise. I always got confused between the 2 
edit Oh I see someones found it and I got the wrong word