Documents seen by Guardian show that the commission's in-house science service told it in 2010 that tests had uncovered what researchers suspected to be a 'defeat device'
The European commission was warned by its own experts that a car maker was suspected of cheating emissions tests five years before the VW emissions scandal. A documents cache seen by the Guardian show...
Check out all the winners and highly commended finalists from the second annual BusinessGreen Technology Awards
James Murray's speech to the second annual BusinessGreen Technology Awards
The former Energy and Climate Change Secretary opens up about the benefits of regulation, his hopes for a solar-powered future, and his rows with George Osborne
Four world cities make radical commitment at C40 Mayors Summit in Mexico City in a bid to combat urban air pollution