Regulation & Safety

Illegal VW diesel emission systems may require 2 solutions

Some experts and U.S. regulators say VW likely will have to come up with two sets of solutions for two different emission-control systems installed on 482,000 U.S. diesel cars from model years 2009-15. (BLOOMBERG)

PL

By:

Paul Lienert Joseph White

September 30, 2015 05:00 AM

DETROIT -- Volkswagen AG 's promise to fix pollution control systems on about 11 million diesel vehicles will involve changes to software, and possibly hardware, that could leave owners with cars that deliver diminished fuel economy and performance or require more maintenance, experts said Tuesday.

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