2011 Concept Escalade Extended Range 
Green Car Congress
DECEMBER 16, 2020
Tula’s proprietary technology is being used in the top-selling Cadillac Escalade, Chevrolet Silverado and Suburban, and the GMC Sierra and Yukon. Tula’s first DSF innovation reached proof of concept internally in 2011 and with GM in 2014.
Green Car Congress
NOVEMBER 27, 2012
In September 2011, GM China opened the Advanced Materials Lab in Shanghai. Extended-range electric vehicles, which offer electric propulsion and contain an on-board engine generator to extend the vehicles’ range. The concept was a focal point of the SAIC-GM Pavilion at Expo 2010 in Shanghai.
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