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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

Here's what it'll take to build a Jeep Grand Cherokee Hellcat

Let's get one thing straight: We want a 707-horsepower Grand Cherokee Hellcat to happen. Badly. The latest report from Motor Authority is encouraging; the bonkers SUV supposedly has a codename, Project K, and has been given the green light for production. Fingers crossed. You might be wondering why the Trackhawk isn't already a thing. Hellcat engines exist, SRT Grand Cherokees exist, so just combine the two, right? It's not quite that easy. Here, we outline what needs to happen, why it should be the quickest Hellcat vehicle out there, and why it won't come anywhere near 200 miles per hour. How To Build A Hellcat Jeep The first engineering problem is feeding the air-intensive beast that is the 6.2-liter supercharged V8. The first engineering problem is feeding the air-intensive beast that is the 6.2-liter supercharged Hellcat V8. Breathing is important on two counts: pulling in enough air for the combustion to put out 707 hp, and then cooling the various heat exchangers once the engine is up to temperature. Dodge did it with the Charger and Challenger, it can do it with the Jeep. This is one place where the Grand Cherokee's larger frontal area might be a boon, as it gives the engineers more surfaces through which to suck air. Once you generate the 707 horsepower and 650 pound-feet of torque, it has to get to the wheels somehow. Jeep's current SRT all-wheel-drive system will at least need some beefing up to handle the torque. It could require a more complete re-engineering. We at least know the ZF-supplied eight-speed auto, used in the Dodge Hellcat models, is up to the task. The Hellcat engine should fit in the Grand Cherokee, as it's about the same size as the 6.4-liter currently in SRT Jeeps, but the Hellcat is taller because of its supercharger. The hood may need to be raised or at least resculpted for clearance, as well as to address those cooling needs. Quicker Than Everything, But Not Faster 200 mph? We're skeptical, from both a physics standpoint and a legal one. A reminder of the quick/fast distinction: quick is acceleration, fast is road speed. The Jeep's all-wheel drive will help put the Hellcat engine's power to the ground in a more manageable way than the Charger and Challenger do through just the rear wheels. That means better acceleration times than the Dodges (11.0 seconds in the quarter-mile for the Charger Hellcat, 11.2 for its Challenger sibling).

10 Facts about the 2018 Jeep Wrangler

The 2018 Jeep Wrangler is here. It debuts this week at the Los Angeles Auto Show and it's going on sale in January. After years of anticipation, it's finally reality. Here's our complete First Look, but to break it down further, here's things you'll find curious, cool, absolutely necessary, or just plain interesting. – The 2018 Jeep Wrangler (JL) will be sold concurrently during 2018 as inventory is moved out. This means you might be able to get a decent deal on the outgoing model, the JK. It gets a little confusing since the JK and the JL will both be 2018 models, which suggests the JK sell-down might take awhile. Mike Manley, Jeep boss, defended the strategy during a briefing in Auburn Hills, and noted it's somewhat common across the industry. – The doors: They lift out and have handles so you don't drop them. There's also half-doors that will be offered in 2019. Doors weren't standard on Wranglers until the early 1980s. – There are multiple trims. The two-door comes in Sport, Sport S or Rubicon. The Unlimited is Sport, Sport S, Sahara or Rubicon. Expect more to come. – The EcoDiesel arrives in 2019. This could be interesting. Jeep says it's in response to consumer demand, and it could be a differentiator from the Ford Bronco or other utes looming on the horizon. The V6 is the same engine from the Ram and Jeep Grand Cherokee EcoDiesel models. In the Wrangler, it pumps out 260 horsepower and 442 pound-feet of torque. – The Sky One-Touch power top is cool. With a touch of a button, the canopy of the roof scrolls back. Perfect for the urban or actual jungle. It's offered on Rubicon and Sahara four-door variants. – What they didn't do: The speculation surrounding the Wrangler's future hit a fever pitch in 2015, and most of rumors didn't pan out. It's still built in Toledo, Ohio and it's still body on frame. – Some of the rumors were (kinda) on point. Aluminum was used, fairly extensively. The doors, door hinges and front fenders are aluminum. The rear swing gate is magnesium. No one was speculating on that one. – The badges are cool, and Wrangler enthusiasts will love them. There's one on the swing gate that harks back to the Willys predecessors and offers cool stats, like the fording depth of 30 inches. There's also a silhouette on the shifter and the steering wheel is meant to conjure the image of the Y-shaped ones on military vehicles. You kind of need to squint for that one, but there's plenty of other Easter Eggs.