The phrase "fuel a debate" is correct and usable in written English.
You can use it to describe something that brings additional argument or discussion to an ongoing debate. For example, "The government's announcement about the new taxes fueled a debate on how much citizens should pay for public services."
The figure will fuel a debate about whether to increase the national sales tax to help reduce public debt.
The increase in college degrees is likely to fuel a debate about the wisdom of having so many people flock to college, given high debt levels and stories of unemployed graduates who are stuck on their parents' couches.
The paper also seems likely to fuel a debate that has raged for decades over whether veterans who struggle emotionally and psychologically after returning from war suffer from psychiatric problems or brain injuries.
The affair is likely to fuel a debate over whether the right of freedom of expression is absolute or whether publishers and others should first consider the possible consequences of their actions.
The fatal accident could fuel a debate about how young is too young for racers to be competing on one of the world's best-known tracks, whether inside a car or riding a motorcycle capable of speeds well over 100 miles per hour.
The announcement was sure to fuel a debate on whether Mr. Netanyahu had done enough in his two years in power to forge a deal with the Palestinian Authority led by President Mahmoud Abbas and Mr. Fayyad, widely considered the most moderate leaders the Palestinians have ever had.
The case fueled a debate over the unintended consequences of tightening abortion laws.
Mr. Obadele's views fueled a debate that had started during Reconstruction.
That finding, and the whole series, have fueled a debate over the role of violence in hockey.
Still, the report, forwarded to the Children's Services commissioner, Nicholas Scoppetta, fueled a debate in the department over Miracle Makers' future.
Arnold Schwarzenegger and George E. Pataki and former Mayor Rudolph W. Giuliani, is fueling a debate over the role of Republicans who hew more to the center.
