The phrase "ago producing" is not correct in written English.
It appears to be a combination of two separate ideas that do not work together grammatically.
Example: "The project was completed a year ago, producing significant results."
Alternatives: "previously generating" or "earlier creating".
I'm working more now than I did 20 years ago, producing more.
This plain is thought to have arisen after a meteorite slammed into Pluto's surface billions of years ago, producing a crater that later filled with nitrogen ice.
A second uplift occurred 60 million to 75 million years ago, producing huge rivers that eventually flowed to the west and collected in enormous inland lakes.
In Romania, orogenic, or mountain-building, movements took place along the outer flank of the Carpathians until less than 10 million years ago, producing foldings and upheaval of the sedimentary rocks of the sub-Carpathian depression; the result was the formation of a relatively lower range called the sub-Carpathians adjoining the true Carpathians.
Indeed, Mike Tomlin of the Steelers was asked about the Pats' no-huddle just a couple of weeks ago, producing this classic coach's something-useful-asked-to-nothing-actually-replied exchange: Q: What have you seen out of the Patriots no-huddle offense?
He worked on the Bloodhound surface-to-air missile many years ago, producing huge improvements in its performance.
Blond hair probably first appeared only ten or twenty thousand years ago, produced by a mutation.
The volcanic eruption of the nearby Turkey Creek caldera some 27 million years ago produced a deposit of ash 2,000 feet (600 metres) thick.
The first ad by Jackson, who three years ago produced a spoof image of Gordon Brown and Tony Blair pulling a Christmas cracker for Schweppes, has been launched online today.
The political intentions, combined with a worldview still powerful fifty years ago, produced a distinctive way of making a big film.
The N.F.C. West, which only two seasons ago produced a division champion with a losing record, could now be the most competitive division in the N.F.L. On Monday, the two best teams in the division – the Seattle Seahawks and the San Francisco 49ers, both of whom made the playoffs with 11 victories – moved to acquire wide receivers just one day before free agency began.
