From Longman Dictionary of Contemporary Englishdrive something ↔ down phrasal verbBBTPEto make prices, costs etc fall quickly We have to drive down costs. → drive→ See Verb table
Examples from the Corpus
drive down• She went out to talk to her son Bill, who had driven it down.• They're still at the stage where they have to drive the van down from Manchester themselves.• But we must drive inflation down so low that it no longer affects the decisions made by ordinary people, businesses and government.• Waite slammed his drive long and down the left side of the fairway.• The cattle were driven up and down the steep hill each spring and fall, well into the early 1940s.• Four nights, and on the fifth we drove you down To the Emergency Room.• We had finished the drive back down to the highway from Can - yon de Chelly in record time.• Hunger and a need for sea air drove Ruth down to the Puerto de Pollensa.From Longman Business Dictionarydrive something → down phrasal verb [transitive] to force prices, costs etc to fallpressures that could drive down interest rates → drive→ See Verb table 