Additional Information Sources
Physical PrinciplesVolkswagen Touran Owners Manual. Natural gas
First read and observe the introductory information
and safety warnings Natural gas quality and consumption
Natural gas is available in two grades: H-gas and L-gas.
H-gas has a higher calorific value and a lower nitrogen and carbon dioxide content.
The higher the calorific value of the natur ...
Volkswagen Touran Service Manual. Legal Requirements
The manufacturer is granted general type approval for the
whole vehicle including all parts and for specific retrofitting
(general type approval according to 20 StVZO (Motor Vehicle
Construction and Use Regulations or EU type approval).
...