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Flash Drive: 2025 Cadillac Optiq

Clean Fleet Report

With no gasoline engine, the Optiq eliminated delays and hesitations that can come from the air-spark-fuel demand under hard acceleration. We also feature those efficient gas-powered vehicles that are among the top mpg vehicles in their class. Without a transmission, there was no hunting for the right gear.

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Road Test: 2025 Rivian R1T Tri

Clean Fleet Report

kW per mile (which is not as bad as the GMC Hummer 3X pickup at 1.3) MPGe is a measurement of how efficient a car powered by electricity is using the same amount of energy as is contained in one gallon of gasoline. We also feature those efficient gas-powered vehicles that are among the top mpg vehicles in their class.

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XL delivers 154 hybrid GMC Savana vans to CalVans; largest single hybrid van deployment in California

Green Car Congress

XL delivered 154 hybrid electric (HEV) GMC Savana Cargo vans to the California Vanpool Authority (also known as CalVans ) to improve the fuel efficiency and sustainability of its agriculture transportation fleet. According to the company, the order represents the largest single hybrid electric van deployment in California to date.

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2015 Chevrolet Colorado, GMC Canyon Four-Cylinder Gas Mileage: 21 Or 22 MPG Combined

Green Car Reports

General Motors has released gas-mileage ratings for the 2015 Chevrolet Colorado and 2015 GMC Canyon mid-size pickup trucks equipped with the base four-cylinder gasoline engine. liter engine and six-speed automatic transmission will return an EPA-estimated 22 mpg combined (20 mpg city, 27 mpg highway).

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UMTRI study finds total cost of ownership of diesels in US often much less than gasoline counterparts

Green Car Congress

While alternative powertrains still represent a small percentage of market share compared to gasoline engines, the report noted, clean diesels saw a 10% increase in 2014 sales over 2013 sales, while hybrids saw a 10% decrease, pure electrics saw a 20% increase and compressed natural gas saw a 33% decrease. Belzowski 2015. Click to enlarge.

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First natural gas GM half-ton pickups with 5.3L DI engines delivered in Texas

Green Car Congress

GMC Sierra and Chevy Silverado trucks for each fleet were upgraded to run on either natural gas or gasoline using the new DuraDrive DI natural gas system, supplied by Utah-based AGA Systems. During EPA testing the DuraDrive DI set a record for efficiency on an eight-cylinder natural gas truck, achieving 23 mpg (10.2

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ATT putting 101 CNG Chevrolet Express Cargo vans into fleet

Green Car Congress

Chevrolet Express/GMC Savana CNG storage tanks. The vans get gasoline-equivalent fuel economy of 11 mpg city and 16 mpg highway. to 23 gasoline-equivalent gallons. The CNG option is available for order on Chevrolet Express and GMC Savana 2500 and 3500 Cargo vans. Click to enlarge.