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Mercedes-AMG GT3 opts for big displacement without a turbo

There was a time when there were numerous categories in sports car racing: GT1, GT2 , GT3... but these days they've all been amalgamated into the latter. That's left a GT3 class packed with competitors and possibly more contentious than ever before. What you see here is Mercedes' new challenger, in official form after being leaked earlier today by the French website Le Point. Replacing the SLS AMG GT3 that won its class (among other races) the Nurburgring 24 Hours in 2013 is the new Mercedes-AMG GT3. Set to be revealed at the Geneva Motor Show, it's the racing version of the new Mercedes-AMG GT, and aside from looking the business, it has the makings of a highly competitive entry. As you can see, it sits closer to the track surface than the road-going version, and packs more extreme aero – including a front splitter you could serve dinner off of, little winglets to deflect the air away from the front tires, deep side sills, a massive rear wing and (though we can't see it presently) what promises to be a very large rear diffuser. It's also got more ventilation to feed the engine and cool the brakes, and a stripped-out cabin with full roll cage and a steering device that's long since evolved beyond resembling an actual "wheel." To save weight, Mercedes has redone many of the panels out of carbon fiber, but one of the most intriguing elements is what you'd find under that woven hood: instead of adapting the 4.0-liter twin-turbo V8 from the road-going GT, AMG has slotted in the larger atmospheric 6.3-liter V8 from the outgoing racer – coupled to a six-speed sequential gearbox. With its new GT3 entry, Mercedes surely hopes to take a slice of the customer racing market that Porsche in particular has developed into a successful and profitable business over the years. Racing fans, however, will be more interested to see how this puppy fares at Le Mans, the Nurburgring, the Blancpain sprint and endurance series, the United SportsCar Championship, the FIA World Endurance Championship and countless national series around the world. It'll have tough competition on its hands, though, from the likes of the Porsche 911 RSR, Audi R8 LMS, Bentley Continental GT3, Ferrari 458 Italia GT3, McLaren 650S GT3, Lamborghini Huracan GT3 and countless others that battle for glory on a racetrack somewhere on any given Sunday. World premiere in Geneva for spectacular AMG racing car All-out attack : the new Mercedes-AMG GT3 Affalterbach.

Hydrogen could deliver one fifth of world carbon cuts by 2050, industry says

BONN, Germany — Increasing the use of hydrogen in power, transport, heat and industry could deliver around one fifth of the total carbon emissions cuts needed to limit global warming to safe levels by mid-century, a report by the Hydrogen Council said on Monday. To encourage industries to use hydrogen, Toyota and Air Liquide helped set up the Hydrogen Council, a global lobby launched in January this year. Its 27 members include automakers Audi, BMW, Daimler, Honda and Hyundai, and energy firms such as Shell and Total. The council said using hydrogen for transport, energy generation, energy storage, industry, heat and power could cut annual carbon emissions by 6 billion tonnes by 2050. "This would ... contribute roughly 20 percent of the additional abatement required to limit global warming to two degrees Celsius," the council said in a report released on the sidelines of a U.N. climate conference in Bonn. To achieve a two-degree limit this century agreed by governments in Paris in 2015, the world must reduce energy-related carbon emissions by 60 percent by 2050. The report said one in 12 cars sold in California, Germany and Japan were expected to be powered by hydrogen by 2030. By 2050, hydrogen could power 400 million cars, 15 million to 20 million trucks, around 5 million buses, a quarter of passenger ships and a fifth of non-electrified train tracks, as well as some airplanes and freight ships. Achieving this shift in transport and other sectors would require investment of $280 billion by 2030, with about $110 billion to fund hydrogen output, $80 billion for storage, transport and distribution, and $70 billion to develop products. Fuel cell vehicles combine hydrogen and oxygen to produce electricity to power an electric motor, producing water as a byproduct. However, making hydrogen from fossil fuels, a common route, also produces some greenhouse gas emissions. So far the take-up of hydrogen vehicles is tiny and industry experts say their wider use is years away, with high purchase prices and a lack of refueling stations the major barriers. But some firms, such as miner Anglo American and carmaker Toyota, are pushing for fuel cell cars to play a role even with the rise of battery-powered electric vehicles (EVs). Woong-chul Yang, vice chairman of automotive research and development at Hyundai said EVs and hydrogen fuel cell cars were needed because EVs were better for city driving and fuel cell vehicles better for longer journeys.

Brabus bringing 900-horsepower Mercedes S65 to Geneva

The S-Class may be the ultimate Mercedes, but what's the ultimate S-Class? Is it the S550? Maybe in some markets, but that's just the starting point in North America. The S600? Getting closer. The Maybach? Sure, if the last word in luxury is what you're after. But if it's performance you crave, then you'll want an AMG version like the S63. But even that's not the flagship. No, in terms of outright power, it all comes down to the S65. It's got a 6.0-liter twin-turbo V12 churning out 621 horsepower and 738 pound-feet of torque, for crying out loud. But Brabus thinks it's still not enough. That's why (alongside the 850-hp S63 coupe) it's bringing a version it calls the Rocket 900 to the Geneva Motor Show this week. To turn the S65 AMG into the Rocket 900, Brabus has bored out the cylinders to total 6.3 liters and fitted larger turbochargers, a new exhaust system, intake module and much, much more. The result is an output increased to 887 bhp and 1,106 lb-ft of torque. Brabus has upgraded the limited slip differential to handle the extra muscle, helping it rocket to 62 in just 3.7 seconds, on to 124 in 9.1 and up to a top speed of 217 Autobahn-crunching miles per hour. The famed Benz tuner has also fitted a carbon-fiber aero kit to keep it from flying away (however unlikely considering the vehicle's approximately 5,000-lb curb weight), along with 21- or 22-inch wheels, a retuned air suspension that drops the ride height over half an inch closer to the road and – we can only hope since the release makes no such mention – upgraded brakes as well to keep it all in check. Brabus also offers a full range of interior enhancements as well, but don't expect any of this to come cheap. As it is, the S65 starts at $222,000, but a turn-key Brabus Rocket 900 goes for 347,719 euros – or about $390k at today's rates. Related Video: World premiere at the 2015 Geneva Motor Show BRABUS ROCKET 900 The new reference for high performance in the luxury class V12 with 662 kW / 900 hp, 1,500 Nm and a top speed in excess of 350 km/h BRABUS ROCKET 900 – that is the new reference for high performance in the luxury class, which celebrates its world premiere at the 2015 Geneva Motor Show. BRABUS (Brabus-Allee, D-46240 Bottrop, phone +49 / (0) 2041 / 777-0, fax +49 / (0) 2041 / 777 111, internet www.brabus.com) builds this super car based on the new Mercedes S 65.