German carmakers have agreed with top
New engine management software will improve emission filtering systems and cut toxic nitrogen oxide levels by 25-30%, the industry association VDA said.
The industry is under pressure since a diesel emissions scandal exposed cheating to manipulate test readings.
Talks continued after the deal was announced, a source told Reuters.
The deal was struck at a summit in Berlin.
It was approved by Daimler, BMW, Volkswagen and Opel, VDA said in a statement(in German).
