Review: Chevrolet Silverado 2500HD with bi-fuel CNG option
Green Car Congress
JULY 14, 2014
View of the CNG tank in the bed of a Silverado 2500HD with bi-fuel option. Silverado 2500HD engine options. We refueled with CNG twice; once locally (with a partial fill, more on this below), and once off the I-5 on the way up to Los Angeles. Click to enlarge. Buyers with a need for hefty torque will likely go for the 6.6-liter
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