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SoCalGas contributing $500K to Sierra Northern Railway-led hydrogen fuel-cell switcher locomotive project

Green Car Congress

Southern California Gas Company (SoCalGas) announced it will be working together with Sierra Northern Railway, Gas Technology Institute (GTI), and other technical experts to develop and test a zero-emission hydrogen fuel cell engine for a switcher locomotive. Earlier post.).

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2023 GMC Sierra AT4X Review: Understated

The Truth About Cars

I don’t know that I personally have a need for something as large as the current batch of full-size half-ton trucks like this 2023 GMC Sierra AT4X. The AT4 had been the top-trim choice for Sierra buyers who preferred a butch style rather than the bling of a Denali, but now X gon’ give it to ya with even more off-road capability.

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GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

Green Car Congress

V-8 EcoTec3 AFM VVT DI (L83) for Chevrolet Silverado and GMC Sierra. The 2014 GMC Sierra 1500 full-size pickup truck features a new 5.3L The 2014 GMC Sierra 1500 full-size pickup truck features a new 5.3L In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L

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DOE proposes revising procedures for calculating petroleum-equivalent fuel economy of EVs for use in CAFE calculations

Green Car Congress

The US Department of Energy (DOE) is proposing a significant revision in its procedures for calculating a value for the petroleum-equivalent fuel economy of EVs for use in the Corporate Average Fuel Economy (CAFE) program administered by the Department of Transportation (DOT). Background. Proposed PEF.

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Road Test: 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro

Clean Fleet Report

The 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro showed-up in my driveway and the neighbors took notice. recently drove the 2021 GMC Sierra 1500 4WD Crew Cab AT4, powered by a 3.0-liter This means that when you are towing up a grade, it will pull strong and still deliver good fuel economy. Fuel economy for the 3.0-liter

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GMC Hummer EV joins gas-guzzlers in list of meanest for the environment

Green Car Reports

The 2024 American Council for an Energy Efficient Economy (ACEEE) list of "meanest" vehicles for the environment includes the expected array of gas-guzzling trucks—but also one EV. The 2024 GMC Hummer EV SUV was ranked ninth on the list, between the GMC Sierra pickup truck and Mercedes-Benz G550 SUV.

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2014 Silverado and Sierra pickups leverage high- and ultra-high strength steels for weight reduction

Green Car Congress

The 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 have strategically replaced traditional steel with lightweight, high-strength steels for improved capability, safety and fuel efficiency. Similarly, making the most of mass also enables Silverados and Sierras equipped with the 4.3L These materials reduce mass and increase strength.

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