The phrase "an important engine for" is correct and usable in written English.
It can be used to describe something that drives or significantly contributes to a particular process, initiative, or outcome.
Example: "The new policy is seen as an important engine for economic growth in the region."
Alternatives: "a key driver of" or "a crucial factor in".
China will remain an important engine for the world economy.
"Social networks are an important engine for human evolution," Fowler said.
Mimica said business could be "an important engine" for development progress in areas such as resource efficiency and infrastructure building.
The construction sector is an important engine for economic development in Australia.
The bank also remained fairly optimistic on China, whose economy has become an important engine for growth not just in Asia, but for the world as a whole.
There is a dark side to China's role — providing financing and political support to despots like Zimbabwe's Robert Mugabe or Sudan's Omar Hassan al-Bashir — but it is becoming an important engine for the region's economy.
Only a year ago it seemed like India was on track to become an important engine of growth for the global economy.
Long a center of auto and auto parts production, Dayton has been battered by Detroit's woes, and Sinclair has become an important engine of economic development for the area.
While Angola is a long way from wielding the broad influence of South Africa or Nigeria, it has fashioned itself into a regional power, and its military, as the fulcrum of power in the country, will remain for now an important engine of the country's aspirations -- and a crucial component in the fight against AIDS.
The American CleanTech industry can use their powerful voices as both constituents and an important engine of economic growth to argue for good policy and needed resources, while also making sure the government stays at arms length in most cases.
Molecular parasitism is an important engine of evolution, and the basis for the emergence of viruses, plasmids, transposons, and introns (51).
