Audi developed the E-tron brand for its electrification efforts, which extend from pure electric cars, such as this A3 E-tron, to its R18 hybrid race car, which took Le Mans by storm this year.
Back to Audi A3 E-tron first drive
November 15, 2012 9:50 AM PST
Photo by: Wayne Cunningham/CNET
| Caption by: Wayne Cunningham
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