The phrase "act as engines for" is correct and usable in written English.
It can be used to describe something that drives or facilitates a process, system, or outcome.
Example: "The new policies are designed to act as engines for economic growth in the region."
Alternatives: "serve as catalysts for" or "function as drivers of".
These structures allow tourists the opportunity to see history through the eyes of a warrior, revolutionary, pilgrim or king, but also act as engines for the local economy, spurring growth as travelers spend money on hotel rooms, meals and souvenirs.
Or to act as engines for economic growth as they keep their communities healthy, happy, and productive.
Even if they can raise the extra capital that regulators say they need, they may not be in a position to act as engines of credit creation — a requirement for their local economies to pull out of the recession.
In general, it can be concluded that SMEs are still not in a position to act as engines of innovation and that large enterprises account for the majority of innovation activities.
It was also noted that the ART programme's focus on individual treatment had under-emphasised the potential for treatment services to act as an engine for HIV prevention.
From the revealing vantage point of the Customs office, Chalfin discovers a fascinating inversion of our assumptions about neoliberal transformation: bureaucrats and local functionaries, government offices, checkpoints, and registries are typically held to be the targets of reform, but Chalfin finds that these figures and sites of authority act as the engine for changes in state sovereignty.
But I do know that the content of school curriculum must reflect and humanize the lives our children have lived, and act as an engine for shaping their feelings and impulses into constructive acts of agency and positive assertions of belief.
So affirmative action acts as an engine for social mobility for its direct beneficiaries.
When the city won the title five years ago, the then culture secretary, Tessa Jowell, noted that the competition often acted as "an engine for regeneration".
It centers on a young man fascinated with morbid images, which act as the engines of catharsis for the memory of a friend's death.
