In 2014, Volkswagen consumed 11.95 million MWh of electricity, 6.77 million MWh of heat, and 3.98 million MWh of fuel gases for manufacturing processes. f,g)Unknown
Here considered heat and fuel gases for non-renewable energy source as the company has stated using green electricity.
pg. 130
1 MWH = 3.6 GJ
(Calculation: (6.77+3.98)*10^6*3.6 = 38,700,000)