Adolescence /ˌæd

vehicle /ˈviː.ɪ.kl ̩/ noun MACHINE
1. [ C ] formal a machine usually with wheels and an engine, which is used for transporting people or goods on land, especially on roads
A truck driver died last night when his vehicle overturned.
Road vehicles include cars, buses and trucks.
Tractors are farm vehicles.
The number of thefts of motor vehicles rose by a third last year.
alternative /ɒlˈtɜː.nə.tɪv/ /ɑːlˈtɝː.nə.t ̬ɪv/ noun [ C ]
something that is different from something else, especially from what is usual, and offering the possibility of choice
an alternative to coffee
There must be an alternative to people sleeping on the streets.
I'm afraid I have no alternative but to ask you to leave (= that is what I have to do) .