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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

Brabus boosts big Benz plug-in hybrid

With vehicles like the BMW i8 and Porsche 918 Spyder, the Germans have demonstrated as well as anyone that "performance" and "hybrid" can go in the same sentence. And now Brabus is plugging in to the performance hybrid station as well. Though nowhere near as extreme as the aforementioned PHEV sports cars, the Brabus PowerXtra B50 Hybrid performance kit kicks the Mercedes S550 Plug-In Hybrid up a notch. The electric side of the powertrain remains untouched, but the internal combustion engine has been boosted by 51 horsepower and 52 pound-feet of torque. That gives the 3.0-liter turbocharged V6 a total of 385 hp and 405 lb-ft, which is nothing to cough at – but with the electric boost kicking in, the vehicle now packs a combined output of 493 hp and 656 lb-ft. That slots its twist figure in between that of the S600 and S63 AMG. As a result, the big Brabus hybrid will now reach 62 miles per hour from a standstill in just 4.9 seconds (down from 5.2) – almost as quick as the 12-cylinder model but with half the pistons – though the top speed remains pegged at 155 mph. Naturally, Brabus didn't stop there, giving the sedan a new exhaust, aero kit, rolling stock and interior, all catered to the customer's specifications. BRABUS PowerXtra B50 Hybrid with 368 kW / 500 hp (493 bhp) and 890 Nm of torque The eco-friendly performance upgrade for the new Mercedes S 500 PLUG-IN HYBRID For more than 35 years, BRABUS has been the synonym for powerful high-performance automobiles and exclusive refinement at the highest level of perfection. One philosophy has always been paramount in all these years: combining top performance with exemplary eco-friendliness, immaculate durability and perfect everyday practicality. With the new BRABUS PowerXtra B50 Hybrid performance kit for the new Mercedes S 500 PLUG-IN HYBRID, the engine specialists of the world's largest independent tuner once more demonstrate their unrivalled know-how. The power increase of the V6 engine by 38 kW / 52 hp (51 bhp) and the boost in torque by 70 Nm (52 lb-ft) bumps the system output of the hybrid sedan to 368 kW / 500 hp (493 bhp) and system torque to 890 Nm (656 lb-ft). As a result, the luxury liner sprints from rest to 100 km/h (62 mph) in just 4.9 seconds, and impresses in daily driving with even further enhanced superiority. Due to the hybrid system, the top speed remains electronically limited to 250 km/h (155 mph).

Meet Buster, this 1968 Porsche racecar transporter from Mercedes

If you're thinking about Porsche and Mercedes-Benz when it comes to motorsports, your first thought is probably on the two German brands battling on the track. However, for decades, whenever Porsche's factory team went to compete, a custom Mercedes was right along with them hauling the racecars. These days the truck lives in the Brumos Collection in Jacksonville, FL, and goes by the nickname Buster. However, its story goes back to 1968 when Porsche ordered two commercial vehicles from Mercedes and then handed them over to a Stuttgart-based outfitter for customization. The results were these racing transporters that hauled models like the 917 and 956 until the '80s. The other survived, too, with a place in Porsche's collection. Well-known racers in their own right, Brumos scooped up the transporter in 2003 and have kept driving it to vintage racing events. The interior now boasts the signatures of many of the great drivers from the era of this historic truck. Watch the video for the whole story on the Mercedes with a whole lot of Porsche inside.