Push-pull

I thought he was rather foolish when he selected the revolving door instead of taking the orthodox push-pull door at the side.

Source: wiktionary

The coaches require modifications, including work to ensure they can work in push-pull mode with Class 67 locos.

Source: wiktionary

That train is Inspection Saloon 975025, better known as Caroline. It's a former Hastings line Class 201 diesel-electric multiple unit (DEMU) buffet car converted to run in push-pull operation, with large windows at both ends to give a great view of the line ahead.

Source: wiktionary

In Europe, the debate around abortion access has been regalvanised by the pandemic, and last year Poland passed a near total ban, […]. Elsewhere we’ve seen a swing in the opposite direction, […]. The overall effect of this push-pull is an atmosphere of intense instability as we face up to a new phase in the struggle for reproductive justice.

Source: wiktionary