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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 Weighing in at 5,640 pounds, the Sierra 1500 AT4 has a maximum payload of 1,810 pounds and can tow 8,800 pounds. Brains and brawn.

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2023 was a tremendous year for both EVs and Plug In America!

Plug in America

in a year First NEVI charging stations up and running Gasoline sales have passed their peak It’s been a busy year here on the policy team. The tax credits are pretty complicated, but Plug In America was committed to providing timely, accurate information to help drivers understand the tax credits.

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

Baua Electric

The 2024 GMC Hummer EV SUV was ranked ninth on the list , between the GMC Sierra pickup truck and Mercedes-Benz G550 SUV. Estimated annual cost, based on 15,000 miles of driving, is $1,746, compared to $4,242 for the Mercedes-AMG G63, was ranked as the “meanest” 2024-model-year vehicle for the environment overall.

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GM's Lutz Talks Up Volt at NPR Game Show; Sierra Club's Dan Becker Welcomes "Epiphany"

Plugs and Cars

GM Vice Chairman Bob Lutz took his promotion for the serial plug-in hybrid Volt to an NPR game show, "Wait, Wait, Don't Tell Me." Becker himself has long opposed putting any effort behind plug-in cars. nk City a few years ago, he told me the Sierra Club didn't have the resources to help save the ZEV mandate electric cars.

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Plug-in Hybrid Study: Electricity Better

Plugs and Cars

You can dig around the websites of NRDC, UCS and the Sierra Club and come to understand that an electric path would be best for all of us, but their advocacy has not reflected the science. The EPRI/NRDC study is an exceedingly detailed assessment using modeling analyses of various scenarios to determine the impact of plug-in hybrids.

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7 Maintenance Tips To Extend the Life of Your Diesel Truck

Clean Fleet Report

Change it every 3,000 miles or every six months (whichever comes first). 2020 GMC Sierra Denali 1500 Crew Cab Duramax Diesel. Some vehicles will have specific recommendations for when to change the oil (such as every 3,000 miles). They’re the best of both worlds: powerful, efficient and rugged as hell. Use the Right Oil.

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Is GM's Plug-in Hybrid for Real? What Say Big Enviro?

Plugs and Cars

Lots of ink on GM's plug-in hybrid announcement. With headlines like "GM Promises Plug-in Hybrid," Waggoner's statement in LA moves plug-in cars back into the public discussion of petroleum alternatives. They should be combining existing technologies to give us 5- and 10-mile-per-gallon improvements."

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