Utah-based AGA Systems, formerly known as AutoGas America, announced that it has received full EPA certification for its proprietary compressed natural gas (CNG) bi-fuel systems for specific GM vehicles. The AGA CNG bi-fuel systems are now available for the complete line of 2013 General Motors trucks, vans and SUVs configured with 6.2-liter, 6.0-liter, 5.3-liter, and […]

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