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Check out Aston Martin's zero-emissions AMR-SB race car

In the above video, Aston Martin reveals its AMR-SB race car. According to the chassis designer, it came at a time that was fairly busy, especially following the company's Le Mans class victory. But they saw it through, and the result is an amazingly light, zero-emissions race car. Aston was able to do this by powering it with the constantly present resource of gravity. Yes, it's a soapbox derby car. We appreciate car companies that have a sense of humor, and that's clearly what Aston demonstrates with this professional intro video for its soapbox racer. The company built it for the Red Bull Soapbox race in England, and it looks just like one of Aston Martin's Vantage GTE Le Mans racers, down to the wing on the back. That wing didn't seem to be attached quite as well as those on the real cars, since it disappears after one of the jumps. The car gets going more quickly than you might expect, too, as the video shows it hitting over 30 mph at a certain point. Check out the fun in the video above. You can also see the whole ride down from the driver's view in the video below. Related Video:

Cosworth briefly crows that Aston Valkyrie's 6.5L V12 has record horsepower

It's only natural that Cosworth would want the world to know that it's building the world's most powerful naturally-aspirated engine for the Aston Martin Valkyrie and Valkyrie AMR Pro. The timing of when the world should know about it, that's at issue. Yesterday the English engine maker's official Twitter account posted a picture of the barely-there coupe and the line, "We're famous for breaking records and our latest engine, the Aston Martin Valkyrie 6.5-litre V12, will be the world's most powerful naturally aspirated road engine with 1,130bhp." Two tags accompanied the post, #Cosworth and #AstonMartinValkyrie. About 90 minutes later, the tweet disappeared. The likely issue is that Cosworth got ahead of Aston Martin's official confirmation of Valkyrie outputs, something we're more used to from patent offices and Chinese model makers. The question is what output is Cosworth really talking about, and which car. All of last year, however, various reports had the street-legal Valkyrie making 1,130 hp. A Road & Track report attributed "nearly 1,000 hp" coming from the NA V12, the remaining 130 from a kinetic energy recovery system working the front axle. Hence, we're not sure if Cosworth's talking about its own engine alone at 1,130 hp, or its engine with the KERS. But then there's this: At the launch of the Valkyrie AMR Pro during the Geneva Motor Show this year, Aston Martin said the track-only Valkyrie AMR Pro would enjoy "a combined power output of more than 1100 bhp — more than the Valkyrie road car and a figure than comfortably exceeds the magic 1:1 power-to-weight ratio." The truth's a mystery for now, which is just as Aston Martin would want it. If Cosworth's engine really does make 1,130 hp on its own, that would be monstrous, and it would mean the automaker's been playing a serious game of English understatement. Even if Cosworth included the hybrid help, however, an NA V12 with 1,000 ponies would take the crown. The only competition is the 6.5-liter V12 in the Ferrari 812 Superfast, and that's 211 horses adrift. The quad-digit figures expected from Mercedes-AMG Project One and McLaren Speedtail require turbochargers, as does the just-teased V8 going into the Shelby Tuatara. With the first of 150 Valkyrie road car deliveries scheduled for next year, we probably don't have that much longer to wait to find out. Related Video:

Aston Martin DB11 AMR coming very soon

Car manufacturers usually keep a very tight lid on upcoming product news, but because they are run by humans, mistakes are made. In this case, Aston Martin posted a link on their home media website to a page about the upcoming DB11 AMR, which we have no doubt will be the latest in the company's limited production AMR line of cars. Though they took the link down the same day, the linked page still exists and functions. There isn't really anything to see at the moment, because any assets are locked behind a password. We also reached out to Aston for information regarding the new model, but we didn't hear back from the company. Still, it's not hard to predict what this DB11 AMR will be like, since we have the preceding Rapide AMR, V8 and V12 Vantage AMRs, and the Vantage AMR Pro from which to extrapolate. It will probably have a paint scheme involving a slender center stripe, with different choices for body and stripe color. Certainly one of the color options will be the pale metallic green with a lime green stripe combo found on Aston Martin race cars. The only non-Pro AMR model to see any kind of power boost was the V12 Vantage AMR, and that was an increase of 30 horsepower, so there's a possibility the DB11 will see a mild power boost, too. The interior will likely feature loads of carbon fiber and a color-coordinated interior. In addition to its various visual updates and possible performance upgrades, the DB11 AMR will undoubtedly be extremely limited production. The Vantage AMRs numbered 300 units total, 200 of which were the V8 and 100 were the V12. The Rapide AMR run consisted of just 210 cars. Since the DB11 is available with two engines, a V8 and a V12, we could see Aston offering 300 total units split between the two engines options. And again, since the web page is still up, we expect the car will break cover very soon. Related Video: Featured Gallery 2017 Aston Martin DB11: First Drive View 58 Photos Image Credit: Aston Martin Aston Martin Coupe Performance Supercars aston martin db11 aston martin amr aston martin db11 amr