Buick Environment Gas-Electric Recharge 
Green Car Congress
AUGUST 30, 2009
The morning session started out with an hour long press conference, the highlight being the unveiling of the Volt’s 230 mpg preliminary EPA city fuel economy finding ( earlier post ), as well as a tour showing selected elements from the studios of the four GM North American brands: Chevrolet, GMC, Buick and Cadillac. Build better products.
Green Car Congress
JANUARY 15, 2013
Cadillac unveiled the anticipated 2014 ELR extended range electric (EREV) vehicle (based on the Converj concept, earlier post ) at the North American International Auto Show. The electric machine itself is essentially the same as in the Volt, but tweaked—mainly via software—based on the experience over the past few years.
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