"engaged in efforts" is correct and usable in written English.
It typically denotes the act of making an effort to accomplish something. For example, "She is highly motivated and has been engaged in efforts to provide better access to education for disadvantaged children."
And more recently, she was engaged in efforts to recruit more minority candidates for firefighting jobs.
Science education stakeholders worldwide are engaged in efforts to support teachers' noticing and making sense of students' thinking in science.
Now the major airlines are engaged in efforts to "distinguish themselves better," as Mr. Baldanza put it.
"Zogenix is fully engaged in efforts to bring an abuse-deterrent-form formulation of Zohydro," to market, he said.
The Center is also engaged in efforts to improve governance at the state, regional and national levels in the West.
To further explore the application of the optimum network, more numerical examples are engaged in efforts to achieve a qualitative understanding of the behavior of the laminar system.
"It resembles a war zone less, and more an authoritarian government that is engaged in efforts to manipulate news reporting," he said.
As noted in my previous post, today's (failing) deficit "supercommittee" discussions are hardly the first time Congress has engaged in efforts to reduce the deficit.
There are also 13 instances in which the board has granted extensions to candidates who "are engaged in efforts" to resolve debts or other obligations totaling $594,000.
Kamal Hamdan, a Lebanese economist who has worked extensively in Syria, said both sides were engaged in efforts to replace the peacetime economy with wartime alternatives.
Last week, Recep Tayyip Erdogan, the prime minister, alarmed EU diplomats when he told pro-Islamic businessmen that the EU was engaged in "efforts to dismember" Turkey.
