The European car industry is lobbying to delay introduction of a tough emissions testing regime designed to combat fears carmakers are gaming the system to boost their efficiency ratings.
European cars are as much as 30 per cent less efficient than manufacturers claim, according to the International Council on Clean Transportation, as carmakers take advantage of an archaic testing system that they want to keep in place for at least seven years.
The EU has said it wants to replace the 1970s test with a much more stringent regime by 2017.
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