This is the 2356th most frequent Swedish word.
eldrivna
"Electric-powered."
The word "eldrivna" (electric-powered) is an adjective modifying "bilarna" (cars), describing their mode of operation.
De eldrivna bilarna är både miljövänliga och tystgående.
The electric cars are both environmentally friendly and quiet.
Here, "eldrivna" functions as an adjective modifying "alternativ" (alternatives), specifying the kind of alternatives being discussed.
Jag föredrar eldrivna alternativ för att minska utsläppen.
I prefer electric alternatives to reduce emissions.
In this case, "eldrivna" describes "motorer" (motors) as being powered by electricity.