A 2016 VW Golf TDI undergoes emissions testing at the California Air Resources Board lab in El Monte. CARB researchers helped uncover cheating by Volkswagen.
A 2016 VW Golf TDI undergoes emissions testing at the California Air Resources Board lab in El Monte. CARB researchers helped uncover cheating by Volkswagen. Patrick T. Fallon Bloomberg
A 2016 VW Golf TDI undergoes emissions testing at the California Air Resources Board lab in El Monte. CARB researchers helped uncover cheating by Volkswagen. Patrick T. Fallon Bloomberg

VW scandal holds important climate lessons

November 23, 2015 4:00 PM

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