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The biggest gas-guzzlers of 2024: 'The Meanest List' is the opposite of greenest cars

In some circles — especially some automotive circles — bigger is better. This explains the Hummer, for example. In its so-called “Meanest List” of a dozen models, the American Council for an Energy-Efficient Economy (ACEEE) makes no apologies for berating “the worst-performing mass market automobiles” sold in 2024 in the U.S. The most diminutive car on the list is a Chevy Corvette Z06. At the top of this particular heap is the Mercedes-Benz AMG G63, a gas-powered SUV that the environmental agency says was “the worst-performing vehicle of the more than 1,200 models assessed by Greener Cars and has an annual fuel cost over $4,000.” Not to mention its MSRP of around $184,000. Rank Make & Model Powertrain Green Score MSRP Estimated Annual Fuel Cost* 1 Mercedes-Benz AMG G63 Gas 20 $184,000 $4,242 2 Ram 1500 TRX 4x4 Gas 22 $98,335 $3,819 3 Ford F150 Raptor R Gas 24 $79,975 $3,777 4 Cadillac Escalade V Gas 26 $152,295 $3,388 5 Dodge Durango SRT Gas 26 $74,995 $3,332 6 Jeep Wrangler 4dr 4X4 Gas 27 $35,895 $3,260 7 Jeep Grand Wagoneer 4x4 Gas 28 $91,945 $3,058 8 Mercedes-Benz G550 Gas 28 $143,000 $3,186 9 GMC Hummer EV SUV EV 29 $98,845 $1,746 10 GMC Sierra Gas 29 $37,700 $3,069 11 Chevrolet Corvette Z06 Gas 30 $114,395 $3,169 12 Mercedes-Benz Maybach S680 Gas 30 $234,300 $3,031 *ACEEE analysis using EIA data of the annual cost of driving 15,000 miles In terms of numbers, the dirty dozen of the meanest includes seven SUVs and three trucks. Lonely at the middle of the list is the sole electric, the GMC Hummer EV, which weighs in at 9,000 pounds. The council notes that “though EVs have lower emissions than similarly sized gasoline models, the Hummer demonstrates that size and efficiency, not just fuel source, are important factors in a carÂ’s environmental impact.” ItÂ’s also worth reminding prospective buyers that the average fuel cost of a vehicle on the “Greenest List” eats up only a fifth of the fuel cost of a vehicle on the Meanest List, “showing that greener options can also be more affordable.” The ACEEE also put out a "Greener List" of efficient gasoline and hybrid cars that don't require plugging in.  By the Numbers Green Cadillac Chevrolet Dodge Ford GMC Hummer Jeep Maybach Mercedes-Benz RAM Emissions Fuel Efficiency Green Automakers Truck SUV Electric Hybrid

2020 Ram 1500 EcoDiesel Limited Drivers' Notes | Black gold

Ram didn’t have fuel economy numbers for us when we first drove the 1500 EcoDiesel, and because of that, a verdict could not be rendered. Today, thatÂ’s no longer the case. In maximum hypermiling 4x2 form, the EcoDiesel is rated at 22 mpg city, 32 mpg highway and 26 mpg combined. That puts it merely 1 mpg away from the Chevy Silverado Duramax, which achieves 33 mpg on the highway. In our testerÂ’s crew cab 4x4 configuration, it was rated at 24 mpg combined. The impressive efficiency can be attributed to the fully reworked 3.0-liter turbodiesel V6 under the hood. It makes 260 horsepower and 480 pound-feet of torque, with the full brunt of that torque being realized at a low 1,600 rpm. ItÂ’s a good thing, too, because the EcoDiesel redlines at 5,800 rpm. Towing maxes out at 12,560 pounds, and it has a payload rating of 2,040 pounds. ThereÂ’s a whole lot of truck to pull around, too. The crew cab backseat leaves enough space for even the tallest of riders to sprawl out, and the front seat is just as expansive and intimidating. As tested, our Ram 1500 was easily one of the most luxurious, expensive configurations one could possibly spec. It was done up in the highest Limited trim, which means every last premium material and feature is along for the ride. The base price was $58,660, but that doesnÂ’t mean Ram didnÂ’t find plenty of room for options. The most expensive of options happened to be the EcoDiesel engine itself, which comes in at $4,995. Yowza. Our truck also had the $3,995 Black Appearance Package, which adds an array of extras like 22-inch black wheels, a 19-speaker Harman Kardon audio system and black accents throughout the exterior. However, the 22-inch wheels were superseded by our truck's $795 Off-Road Group package that added 20-inch wheels with meatier tires, an electronic locking rear axle, multiple underbody skid plates and hill descent control. A $2,295 driver assistance package added adaptive cruise control, lane-keeping assist, a parking assistant, 360-degree camera and ventilated rear seats among other less notable features. Lesser charges like the $1,495 panoramic sunroof, $995 Multi-Function tailgate and $995 RamBox system all contributed to this truck's $75,610 final price. Senior Editor, Green, John Beltz Snyder: The interior in this Limited is busy.

FCA and Cummins named in diesel emissions class-action lawsuit

Chrysler is now the first United States-based carmaker to be sued for allegedly skewing emissions results. In a move that sounds eerily similar to the troubles of European manufacturers, Chrysler is claimed to have hid diesel engine characteristics causing emissions as much as 14 times higher than permitted by regulations. According to Bloomberg, the lawsuit alleges that Chrysler, together with its diesel engine partner Cummins, has concealed the nitrogen oxide output of certain Ram vehicles produced between 2007 and 2012. The NOx pollutants were meant to be broken down in a process called regeneration in the truck's NAC system, or NOx Absorption Catalyst, which predated the 2013-introduced SCR, or Selective Catalytic Reduction system. By design, the NAC captures and stores NOx emissions, converting them to nitrogen and oxygen through a catalytic process. The lawsuit claims the Cummins engine's system has a limited capacity to store the emissions, and as a result the pollutants escape, increasing emissions, worsening fuel consumption and wearing down the catalytic converter. The later, cleaner SCR system uses a urea-water injection, and it gradually replaced the NAC on Cummins 6.7-liter engines, as it was first implemented in 2011 and made standard in 2013. As Bloomberg notes, the model years of Ram trucks involved in the lawsuit predate the earliest Volkswagen "Dieselgate" models by two years. The lawsuit, filed on behalf of 500,000 truck owners, accuses Chrysler and Cummins of fraud, false advertising and racketeering. As an underlying motive, the filing mentions a 2001 change in EPA emissions standards. Announced to become effective in 2010, the EPA requirements drove Chrysler and Cummins to try and reach those already by 2007. However, the NAC system is said to have fallen short of these goals, and the filing claims that Chrysler and Cummins chose to "rig" the engines instead. The affected vehicles predate the 2014 merger of Chrysler and Fiat. FCA US has released a statement regarding the lawsuit, saying it will contest the lawsuit "vigorously". News Source: BloombergImage Credit: Getty Editorial Government/Legal Green Chrysler Dodge RAM Emissions Diesel Vehicles FCA cummins diesel