This specification covers the natural gas fuel requirements for
the following Cummins Westport automotive spark ignited natural gas
engine models:
To use this online calculator, fill in the "Fuel Composition" values
so that the total equals 100%. The "Results" will be calculated
automatically. Methane Number, Lower Heating Value,
and Sulfur Content criteria must be met to pass a given fuel
for a specific engine. Contact your
Cummins Westport representative for complete details on the fuel
standard and fuel testing specifications.
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