Verb conjugation of "empeñar" in Spanish

The bus left Havana and drove westwards towards a place called Viniales. After a short two hour ride we arrived there and once the bus entered the terminal we were greeted by dozens of people.
Indeed, these two are very stronlgy connected. The first is often led by a certain party or representative who represents the interest of the others. It gives them a feeling of togetherness and belonging.
We left and went back to the boat which took us back to the big vessel. We started our journey back to the main land. It was already late and from the main land, it was still a four hour drive back.